938945025 has 18 divisors (see below), whose sum is σ = 1681755270. Its totient is φ = 500770560.

The previous prime is 938945011. The next prime is 938945027. The reversal of 938945025 is 520549839.

It can be written as a sum of positive squares in 3 ways, for example, as 252714609 + 686230416 = 15897^2 + 26196^2 .

It is not a de Polignac number, because 938945025 - 2¹⁸ = 938682881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (938945027) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2086320 + ... + 2086769.

Almost surely, 2^938945025 is an apocalyptic number.

It is an amenable number.

938945025 is a deficient number, since it is larger than the sum of its proper divisors (742810245).

938945025 is a wasteful number, since it uses less digits than its factorization.

938945025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4173105 (or 4173097 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 938945025 is about 30642.2098582984. The cubic root of 938945025 is about 979.2195038537.

The spelling of 938945025 in words is "nine hundred thirty-eight million, nine hundred forty-five thousand, twenty-five".