72052571 has 2 divisors, whose sum is σ = 72052572. Its totient is φ = 72052570.

The previous prime is 72052567. The next prime is 72052573. The reversal of 72052571 is 17525027.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72052571 - 2² = 72052567 is a prime.

Together with 72052573, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72052573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36026285 + 36026286.

It is an arithmetic number, because the mean of its divisors is an integer number (36026286).

Almost surely, 2^72052571 is an apocalyptic number.

72052571 is a deficient number, since it is larger than the sum of its proper divisors (1).

72052571 is an equidigital number, since it uses as much as digits as its factorization.

72052571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 72052571 is about 8488.3785848653. The cubic root of 72052571 is about 416.1179919093.

Adding to 72052571 its reverse (17525027), we get a palindrome (89577598).

The spelling of 72052571 in words is "seventy-two million, fifty-two thousand, five hundred seventy-one".