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525250553 is a prime number
BaseRepresentation
bin11111010011101…
…010111111111001
31100121100111022012
4133103222333321
52033431004203
6124041535305
716005361502
oct3723527771
91317314265
10525250553
1124a543573
12127aa4535
1384a86359
144da89ba9
15311a4bd8
hex1f4eaff9

525250553 has 2 divisors, whose sum is σ = 525250554. Its totient is φ = 525250552.

The previous prime is 525250493. The next prime is 525250567. The reversal of 525250553 is 355052525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 382280704 + 142969849 = 19552^2 + 11957^2 .

It is a cyclic number.

It is not a de Polignac number, because 525250553 - 26 = 525250489 is a prime.

It is equal to p27614075 and since 525250553 and 27614075 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (525250753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262625276 + 262625277.

It is an arithmetic number, because the mean of its divisors is an integer number (262625277).

Almost surely, 2525250553 is an apocalyptic number.

It is an amenable number.

525250553 is a deficient number, since it is larger than the sum of its proper divisors (1).

525250553 is an equidigital number, since it uses as much as digits as its factorization.

525250553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37500, while the sum is 32.

The square root of 525250553 is about 22918.3453373057. The cubic root of 525250553 is about 806.8426357412.

The spelling of 525250553 in words is "five hundred twenty-five million, two hundred fifty thousand, five hundred fifty-three".