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2421030253 is a prime number
BaseRepresentation
bin1001000001001101…
…1111110101101101
320020201121002011011
42100103133311231
514424240432003
61040123025221
7113665263145
oct22023376555
96221532134
102421030253
111032676954
1257696b211
132c776cca5
1418d775925
15e282c46d
hex904dfd6d

2421030253 has 2 divisors, whose sum is σ = 2421030254. Its totient is φ = 2421030252.

The previous prime is 2421030251. The next prime is 2421030277. The reversal of 2421030253 is 3520301242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2414543044 + 6487209 = 49138^2 + 2547^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421030253 - 21 = 2421030251 is a prime.

It is a super-2 number, since 2×24210302532 = 11722774971882488018, which contains 22 as substring.

Together with 2421030251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421030251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210515126 + 1210515127.

It is an arithmetic number, because the mean of its divisors is an integer number (1210515127).

Almost surely, 22421030253 is an apocalyptic number.

It is an amenable number.

2421030253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421030253 is an equidigital number, since it uses as much as digits as its factorization.

2421030253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2421030253 is about 49203.9658259372. The cubic root of 2421030253 is about 1342.7651841461.

Adding to 2421030253 its reverse (3520301242), we get a palindrome (5941331495).

The spelling of 2421030253 in words is "two billion, four hundred twenty-one million, thirty thousand, two hundred fifty-three".