625121914 has 16 divisors (see below), whose sum is σ = 952050240. Its totient is φ = 307782720.

The previous prime is 625121911. The next prime is 625121921. The reversal of 625121914 is 419121526.

It is not an unprimeable number, because it can be changed into a prime (625121911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141097 + ... + 145459.

It is an arithmetic number, because the mean of its divisors is an integer number (59503140).

Almost surely, 2^625121914 is an apocalyptic number.

625121914 is a deficient number, since it is larger than the sum of its proper divisors (326928326).

625121914 is a wasteful number, since it uses less digits than its factorization.

625121914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5445.

The product of its digits is 4320, while the sum is 31.

The square root of 625121914 is about 25002.4381611074. The cubic root of 625121914 is about 855.0435617261.

The spelling of 625121914 in words is "six hundred twenty-five million, one hundred twenty-one thousand, nine hundred fourteen".