39745025 has 12 divisors (see below), whose sum is σ = 49401600. Its totient is φ = 31720080.

The previous prime is 39745001. The next prime is 39745049. The reversal of 39745025 is 52054793.

It is an interprime number because it is at equal distance from previous prime (39745001) and next prime (39745049).

It is not a de Polignac number, because 39745025 - 2⁶ = 39744961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10316 + ... + 13634.

It is an arithmetic number, because the mean of its divisors is an integer number (4116800).

Almost surely, 2^39745025 is an apocalyptic number.

It is an amenable number.

39745025 is a deficient number, since it is larger than the sum of its proper divisors (9656575).

39745025 is a wasteful number, since it uses less digits than its factorization.

39745025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808 (or 3803 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 39745025 is about 6304.3655509496. The cubic root of 39745025 is about 341.2669712966.

The spelling of 39745025 in words is "thirty-nine million, seven hundred forty-five thousand, twenty-five".