387651525 has 12 divisors (see below), whose sum is σ = 640917312. Its totient is φ = 206747440.

The previous prime is 387651503. The next prime is 387651533. The reversal of 387651525 is 525156783.

It is not a de Polignac number, because 387651525 - 2⁶ = 387651461 is a prime.

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, 2584269 + ... + 2584418.

It is an arithmetic number, because the mean of its divisors is an integer number (53409776).

Almost surely, 2^387651525 is an apocalyptic number.

It is an amenable number.

387651525 is a deficient number, since it is larger than the sum of its proper divisors (253265787).

387651525 is a wasteful number, since it uses less digits than its factorization.

387651525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5168700 (or 5168695 counting only the distinct ones).

The product of its digits is 252000, while the sum is 42.

The square root of 387651525 is about 19688.8680477066. The cubic root of 387651525 is about 729.1448828685.

The spelling of 387651525 in words is "three hundred eighty-seven million, six hundred fifty-one thousand, five hundred twenty-five".