387025 has 12 divisors (see below), whose sum is σ = 487692. Its totient is φ = 304640.

The previous prime is 387017. The next prime is 387031. The reversal of 387025 is 520783.

It can be written as a sum of positive squares in 6 ways, for example, as 65536 + 321489 = 256^2 + 567^2 .

It is not a de Polignac number, because 387025 - 2³ = 387017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a congruent number.

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, 2757 + ... + 2893.

It is an arithmetic number, because the mean of its divisors is an integer number (40641).

2³⁸⁷⁰²⁵ is an apocalyptic number.

It is an amenable number.

387025 is a deficient number, since it is larger than the sum of its proper divisors (100667).

387025 is a wasteful number, since it uses less digits than its factorization.

387025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 387025 is about 622.1133337263. The cubic root of 387025 is about 72.8751854767.

The spelling of 387025 in words is "three hundred eighty-seven thousand, twenty-five".