387588725 has 6 divisors (see below), whose sum is σ = 480610050. Its totient is φ = 310070960.

The previous prime is 387588701. The next prime is 387588767. The reversal of 387588725 is 527885783.

It can be written as a sum of positive squares in 3 ways, for example, as 86843761 + 300744964 = 9319^2 + 17342^2 .

It is not a de Polignac number, because 387588725 - 2²⁰ = 386540149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7751750 + ... + 7751799.

It is an arithmetic number, because the mean of its divisors is an integer number (80101675).

Almost surely, 2^387588725 is an apocalyptic number.

It is an amenable number.

387588725 is a deficient number, since it is larger than the sum of its proper divisors (93021325).

387588725 is a wasteful number, since it uses less digits than its factorization.

387588725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15503559 (or 15503554 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 53.

The square root of 387588725 is about 19687.2731732965. The cubic root of 387588725 is about 729.1055066344.

The spelling of 387588725 in words is "three hundred eighty-seven million, five hundred eighty-eight thousand, seven hundred twenty-five".