356363561 has 2 divisors, whose sum is σ = 356363562. Its totient is φ = 356363560.

The previous prime is 356363533. The next prime is 356363611. The reversal of 356363561 is 165363653.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283585600 + 72777961 = 16840^2 + 8531^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-356363561 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (356363531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178181780 + 178181781.

It is an arithmetic number, because the mean of its divisors is an integer number (178181781).

Almost surely, 2^356363561 is an apocalyptic number.

It is an amenable number.

356363561 is a deficient number, since it is larger than the sum of its proper divisors (1).

356363561 is an equidigital number, since it uses as much as digits as its factorization.

356363561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 38.

The square root of 356363561 is about 18877.5941528575. The cubic root of 356363561 is about 708.9752863154.

The spelling of 356363561 in words is "three hundred fifty-six million, three hundred sixty-three thousand, five hundred sixty-one".