625231339 has 2 divisors, whose sum is σ = 625231340. Its totient is φ = 625231338.

The previous prime is 625231283. The next prime is 625231391. The reversal of 625231339 is 933132526.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 625231339 - 2¹¹ = 625229291 is a prime.

It is not a weakly prime, because it can be changed into another prime (625232339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312615669 + 312615670.

It is an arithmetic number, because the mean of its divisors is an integer number (312615670).

Almost surely, 2^625231339 is an apocalyptic number.

625231339 is a deficient number, since it is larger than the sum of its proper divisors (1).

625231339 is an equidigital number, since it uses as much as digits as its factorization.

625231339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 34.

The square root of 625231339 is about 25004.6263519374. The cubic root of 625231339 is about 855.0934494258.

The spelling of 625231339 in words is "six hundred twenty-five million, two hundred thirty-one thousand, three hundred thirty-nine".