401301569 has 2 divisors, whose sum is σ = 401301570. Its totient is φ = 401301568.

The previous prime is 401301559. The next prime is 401301611. The reversal of 401301569 is 965103104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 305026225 + 96275344 = 17465^2 + 9812^2 .

It is a cyclic number.

It is not a de Polignac number, because 401301569 - 2¹² = 401297473 is a prime.

It is a super-2 number, since 2×401301569² = 322085898563723522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (401301529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200650784 + 200650785.

It is an arithmetic number, because the mean of its divisors is an integer number (200650785).

Almost surely, 2^401301569 is an apocalyptic number.

It is an amenable number.

401301569 is a deficient number, since it is larger than the sum of its proper divisors (1).

401301569 is an equidigital number, since it uses as much as digits as its factorization.

401301569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 401301569 is about 20032.5127979492. The cubic root of 401301569 is about 737.6046046780.

The spelling of 401301569 in words is "four hundred one million, three hundred one thousand, five hundred sixty-nine".