625321259 has 2 divisors, whose sum is σ = 625321260. Its totient is φ = 625321258.

The previous prime is 625321237. The next prime is 625321271. The reversal of 625321259 is 952123526.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 625321259 - 2⁸ = 625321003 is a prime.

It is not a weakly prime, because it can be changed into another prime (625321219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312660629 + 312660630.

It is an arithmetic number, because the mean of its divisors is an integer number (312660630).

Almost surely, 2^625321259 is an apocalyptic number.

625321259 is a deficient number, since it is larger than the sum of its proper divisors (1).

625321259 is an equidigital number, since it uses as much as digits as its factorization.

625321259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 35.

The square root of 625321259 is about 25006.4243545534. The cubic root of 625321259 is about 855.1344402892.

The spelling of 625321259 in words is "six hundred twenty-five million, three hundred twenty-one thousand, two hundred fifty-nine".