396572081 has 2 divisors, whose sum is σ = 396572082. Its totient is φ = 396572080.

The previous prime is 396572069. The next prime is 396572083. The reversal of 396572081 is 180275693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 361950625 + 34621456 = 19025^2 + 5884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396572081 is a prime.

It is a super-2 number, since 2×396572081² = 314538830857341122, which contains 22 as substring.

Together with 396572083, 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 (396572083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198286040 + 198286041.

It is an arithmetic number, because the mean of its divisors is an integer number (198286041).

Almost surely, 2^396572081 is an apocalyptic number.

It is an amenable number.

396572081 is a deficient number, since it is larger than the sum of its proper divisors (1).

396572081 is an equidigital number, since it uses as much as digits as its factorization.

396572081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 396572081 is about 19914.1176304651. The cubic root of 396572081 is about 734.6954982200.

The spelling of 396572081 in words is "three hundred ninety-six million, five hundred seventy-two thousand, eighty-one".