387472571 has 2 divisors, whose sum is σ = 387472572. Its totient is φ = 387472570.

The previous prime is 387472541. The next prime is 387472577. The reversal of 387472571 is 175274783.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 387472571 - 2²² = 383278267 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (387472577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193736285 + 193736286.

It is an arithmetic number, because the mean of its divisors is an integer number (193736286).

Almost surely, 2^387472571 is an apocalyptic number.

387472571 is a deficient number, since it is larger than the sum of its proper divisors (1).

387472571 is an equidigital number, since it uses as much as digits as its factorization.

387472571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 329280, while the sum is 44.

The square root of 387472571 is about 19684.3229754035. The cubic root of 387472571 is about 729.0326656934.

The spelling of 387472571 in words is "three hundred eighty-seven million, four hundred seventy-two thousand, five hundred seventy-one".