387071625 has 16 divisors (see below), whose sum is σ = 644087808. Its totient is φ = 206438000.

The previous prime is 387071621. The next prime is 387071719. The reversal of 387071625 is 526170783.

It is not a de Polignac number, because 387071625 - 2² = 387071621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (387071621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515721 + ... + 516470.

It is an arithmetic number, because the mean of its divisors is an integer number (40255488).

Almost surely, 2^387071625 is an apocalyptic number.

It is an amenable number.

387071625 is a deficient number, since it is larger than the sum of its proper divisors (257016183).

387071625 is a wasteful number, since it uses less digits than its factorization.

387071625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032209 (or 1032199 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 387071625 is about 19674.1359403660. The cubic root of 387071625 is about 728.7811178994.

The spelling of 387071625 in words is "three hundred eighty-seven million, seventy-one thousand, six hundred twenty-five".