387457025 has 24 divisors (see below), whose sum is σ = 507571680. Its totient is φ = 292584960.

The previous prime is 387456989. The next prime is 387457087. The reversal of 387457025 is 520754783.

It is not a de Polignac number, because 387457025 - 2¹⁰ = 387456001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144497 + ... + 147153.

It is an arithmetic number, because the mean of its divisors is an integer number (21148820).

Almost surely, 2^387457025 is an apocalyptic number.

It is an amenable number.

387457025 is a deficient number, since it is larger than the sum of its proper divisors (120114655).

387457025 is a wasteful number, since it uses less digits than its factorization.

387457025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993 (or 2988 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 387457025 is about 19683.9280886717. The cubic root of 387457025 is about 729.0229155896.

The spelling of 387457025 in words is "three hundred eighty-seven million, four hundred fifty-seven thousand, twenty-five".