357422561 has 2 divisors, whose sum is σ = 357422562. Its totient is φ = 357422560.

The previous prime is 357422557. The next prime is 357422563. The reversal of 357422561 is 165224753.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 283720336 + 73702225 = 16844^2 + 8585^2 .

It is a cyclic number.

It is not a de Polignac number, because 357422561 - 2² = 357422557 is a prime.

It is a super-2 number, since 2×357422561² = 255501774223597442, which contains 22 as substring.

Together with 357422563, 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 (357422563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178711280 + 178711281.

It is an arithmetic number, because the mean of its divisors is an integer number (178711281).

Almost surely, 2^357422561 is an apocalyptic number.

It is an amenable number.

357422561 is a deficient number, since it is larger than the sum of its proper divisors (1).

357422561 is an equidigital number, since it uses as much as digits as its factorization.

357422561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 35.

The square root of 357422561 is about 18905.6224705774. The cubic root of 357422561 is about 709.6768753828.

The spelling of 357422561 in words is "three hundred fifty-seven million, four hundred twenty-two thousand, five hundred sixty-one".