625154113 has 2 divisors, whose sum is σ = 625154114. Its totient is φ = 625154112.

The previous prime is 625154111. The next prime is 625154119. The reversal of 625154113 is 311451526.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 604569744 + 20584369 = 24588^2 + 4537^2 .

It is a cyclic number.

It is not a de Polignac number, because 625154113 - 2¹ = 625154111 is a prime.

Together with 625154111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (625154111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312577056 + 312577057.

It is an arithmetic number, because the mean of its divisors is an integer number (312577057).

Almost surely, 2^625154113 is an apocalyptic number.

It is an amenable number.

625154113 is a deficient number, since it is larger than the sum of its proper divisors (1).

625154113 is an equidigital number, since it uses as much as digits as its factorization.

625154113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 28.

The square root of 625154113 is about 25003.0820700169. The cubic root of 625154113 is about 855.0582421025.

The spelling of 625154113 in words is "six hundred twenty-five million, one hundred fifty-four thousand, one hundred thirteen".