625262513 has 2 divisors, whose sum is σ = 625262514. Its totient is φ = 625262512.

The previous prime is 625262497. The next prime is 625262551. The reversal of 625262513 is 315262526.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337383424 + 287879089 = 18368^2 + 16967^2 .

It is a cyclic number.

It is not a de Polignac number, because 625262513 - 2⁴ = 625262497 is a prime.

It is a super-3 number, since 3×625262513³ (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 625262513.

It is not a weakly prime, because it can be changed into another prime (625262563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312631256 + 312631257.

It is an arithmetic number, because the mean of its divisors is an integer number (312631257).

Almost surely, 2^625262513 is an apocalyptic number.

It is an amenable number.

625262513 is a deficient number, since it is larger than the sum of its proper divisors (1).

625262513 is an equidigital number, since it uses as much as digits as its factorization.

625262513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 625262513 is about 25005.2497088111. The cubic root of 625262513 is about 855.1076608270.

The spelling of 625262513 in words is "six hundred twenty-five million, two hundred sixty-two thousand, five hundred thirteen".