625508011 has 2 divisors, whose sum is σ = 625508012. Its totient is φ = 625508010.

The previous prime is 625507951. The next prime is 625508021. The reversal of 625508011 is 110805526.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 625508011 - 2⁹ = 625507499 is a prime.

It is a super-2 number, since 2×625508011² = 782520543650352242, which contains 22 as substring.

It is equal to p_32585311 and since 625508011 and 32585311 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 (625508021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312754005 + 312754006.

It is an arithmetic number, because the mean of its divisors is an integer number (312754006).

Almost surely, 2^625508011 is an apocalyptic number.

625508011 is a deficient number, since it is larger than the sum of its proper divisors (1).

625508011 is an equidigital number, since it uses as much as digits as its factorization.

625508011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 625508011 is about 25010.1581562372. The cubic root of 625508011 is about 855.2195603612.

The spelling of 625508011 in words is "six hundred twenty-five million, five hundred eight thousand, eleven".