625261433 has 2 divisors, whose sum is σ = 625261434. Its totient is φ = 625261432.

The previous prime is 625261391. The next prime is 625261451. The reversal of 625261433 is 334162526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 417670969 + 207590464 = 20437^2 + 14408^2 .

It is a cyclic number.

It is not a de Polignac number, because 625261433 - 2⁶ = 625261369 is a prime.

It is a super-3 number, since 3×625261433³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 625261433.

It is not a weakly prime, because it can be changed into another prime (625261453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312630716 + 312630717.

It is an arithmetic number, because the mean of its divisors is an integer number (312630717).

Almost surely, 2^625261433 is an apocalyptic number.

It is an amenable number.

625261433 is a deficient number, since it is larger than the sum of its proper divisors (1).

625261433 is an equidigital number, since it uses as much as digits as its factorization.

625261433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 32.

The square root of 625261433 is about 25005.2281133366. The cubic root of 625261433 is about 855.1071684915.

The spelling of 625261433 in words is "six hundred twenty-five million, two hundred sixty-one thousand, four hundred thirty-three".