401610569 has 2 divisors, whose sum is σ = 401610570. Its totient is φ = 401610568.

The previous prime is 401610557. The next prime is 401610637. The reversal of 401610569 is 965016104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218684944 + 182925625 = 14788^2 + 13525^2 .

It is a cyclic number.

It is not a de Polignac number, because 401610569 - 2¹⁶ = 401545033 is a prime.

It is a super-2 number, since 2×401610569² = 322582098265007522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (401610169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200805284 + 200805285.

It is an arithmetic number, because the mean of its divisors is an integer number (200805285).

Almost surely, 2^401610569 is an apocalyptic number.

It is an amenable number.

401610569 is a deficient number, since it is larger than the sum of its proper divisors (1).

401610569 is an equidigital number, since it uses as much as digits as its factorization.

401610569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 401610569 is about 20040.2237761957. The cubic root of 401610569 is about 737.7938732700.

The spelling of 401610569 in words is "four hundred one million, six hundred ten thousand, five hundred sixty-nine".