428025253 has 2 divisors, whose sum is σ = 428025254. Its totient is φ = 428025252.

The previous prime is 428025251. The next prime is 428025307. The reversal of 428025253 is 352520824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 407757249 + 20268004 = 20193^2 + 4502^2 .

It is a cyclic number.

It is not a de Polignac number, because 428025253 - 2¹ = 428025251 is a prime.

Together with 428025251, 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 (428025251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214012626 + 214012627.

It is an arithmetic number, because the mean of its divisors is an integer number (214012627).

Almost surely, 2^428025253 is an apocalyptic number.

It is an amenable number.

428025253 is a deficient number, since it is larger than the sum of its proper divisors (1).

428025253 is an equidigital number, since it uses as much as digits as its factorization.

428025253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 428025253 is about 20688.7711814888. The cubic root of 428025253 is about 753.6270256747.

The spelling of 428025253 in words is "four hundred twenty-eight million, twenty-five thousand, two hundred fifty-three".