625261943 has 2 divisors, whose sum is σ = 625261944. Its totient is φ = 625261942.

The previous prime is 625261933. The next prime is 625261951. The reversal of 625261943 is 349162526.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 625261943 - 2⁸ = 625261687 is a prime.

It is a super-3 number, since 3×625261943³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 625261897 and 625261906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625261933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312630971 + 312630972.

It is an arithmetic number, because the mean of its divisors is an integer number (312630972).

Almost surely, 2^625261943 is an apocalyptic number.

625261943 is a deficient number, since it is larger than the sum of its proper divisors (1).

625261943 is an equidigital number, since it uses as much as digits as its factorization.

625261943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 625261943 is about 25005.2383112019. The cubic root of 625261943 is about 855.1074009833.

The spelling of 625261943 in words is "six hundred twenty-five million, two hundred sixty-one thousand, nine hundred forty-three".