39252249925 has 36 divisors (see below), whose sum is σ = 56994599136. Its totient is φ = 26737452000.

The previous prime is 39252249923. The next prime is 39252249947. The reversal of 39252249925 is 52994225293.

39252249925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39252249925 - 2¹ = 39252249923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39252249923) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 78874 + ... + 291076.

Almost surely, 2^39252249925 is an apocalyptic number.

39252249925 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

39252249925 is a deficient number, since it is larger than the sum of its proper divisors (17742349211).

39252249925 is a wasteful number, since it uses less digits than its factorization.

39252249925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212378 (or 212366 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 52.

The spelling of 39252249925 in words is "thirty-nine billion, two hundred fifty-two million, two hundred forty-nine thousand, nine hundred twenty-five".