401344529 has 2 divisors, whose sum is σ = 401344530. Its totient is φ = 401344528.

The previous prime is 401344523. The next prime is 401344579. The reversal of 401344529 is 925443104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 307932304 + 93412225 = 17548^2 + 9665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401344529 is a prime.

It is a super-2 number, since 2×401344529² = 322154861916463682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401344495 and 401344504.

It is not a weakly prime, because it can be changed into another prime (401344523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200672264 + 200672265.

It is an arithmetic number, because the mean of its divisors is an integer number (200672265).

Almost surely, 2^401344529 is an apocalyptic number.

It is an amenable number.

401344529 is a deficient number, since it is larger than the sum of its proper divisors (1).

401344529 is an equidigital number, since it uses as much as digits as its factorization.

401344529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 401344529 is about 20033.5850261505. The cubic root of 401344529 is about 737.6309243385.

The spelling of 401344529 in words is "four hundred one million, three hundred forty-four thousand, five hundred twenty-nine".