2167572401 has 2 divisors, whose sum is σ = 2167572402. Its totient is φ = 2167572400.

The previous prime is 2167572389. The next prime is 2167572427. The reversal of 2167572401 is 1042757612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1103834176 + 1063738225 = 33224^2 + 32615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2167572401 is a prime.

It is a super-2 number, since 2×2167572401² = 9396740227153809602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2167572431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1083786200 + 1083786201.

It is an arithmetic number, because the mean of its divisors is an integer number (1083786201).

Almost surely, 2^2167572401 is an apocalyptic number.

It is an amenable number.

2167572401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2167572401 is an equidigital number, since it uses as much as digits as its factorization.

2167572401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 2167572401 is about 46557.1949434242. The cubic root of 2167572401 is about 1294.1696303099.

The spelling of 2167572401 in words is "two billion, one hundred sixty-seven million, five hundred seventy-two thousand, four hundred one".