86572401 has 4 divisors (see below), whose sum is σ = 115429872. Its totient is φ = 57714932.

The previous prime is 86572399. The next prime is 86572433. The reversal of 86572401 is 10427568.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86572401 - 2¹ = 86572399 is a prime.

It is a super-2 number, since 2×86572401² = 14989561229809602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86572441) 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, 14428731 + ... + 14428736.

It is an arithmetic number, because the mean of its divisors is an integer number (28857468).

Almost surely, 2^86572401 is an apocalyptic number.

It is an amenable number.

86572401 is a deficient number, since it is larger than the sum of its proper divisors (28857471).

86572401 is a wasteful number, since it uses less digits than its factorization.

86572401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28857470.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 86572401 is about 9304.4291066137. The cubic root of 86572401 is about 442.3776264754.

Adding to 86572401 its reverse (10427568), we get a palindrome (96999969).

The spelling of 86572401 in words is "eighty-six million, five hundred seventy-two thousand, four hundred one".