387265231 has 4 divisors (see below), whose sum is σ = 387457200. Its totient is φ = 387073264.

The previous prime is 387265211. The next prime is 387265243. The reversal of 387265231 is 132562783.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 387265231 - 2⁷ = 387265103 is a prime.

It is a super-2 number, since 2×387265231² = 299948718282966722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387265211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92926 + ... + 97003.

It is an arithmetic number, because the mean of its divisors is an integer number (96864300).

Almost surely, 2^387265231 is an apocalyptic number.

387265231 is a deficient number, since it is larger than the sum of its proper divisors (191969).

387265231 is a wasteful number, since it uses less digits than its factorization.

387265231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191968.

The product of its digits is 60480, while the sum is 37.

The square root of 387265231 is about 19679.0556429926. The cubic root of 387265231 is about 728.9026052159.

The spelling of 387265231 in words is "three hundred eighty-seven million, two hundred sixty-five thousand, two hundred thirty-one".