401297017 has 4 divisors (see below), whose sum is σ = 437778576. Its totient is φ = 364815460.

The previous prime is 401297009. The next prime is 401297023. The reversal of 401297017 is 710792104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401297017 - 2³ = 401297009 is a prime.

It is a super-2 number, since 2×401297017² = 322078591706196578, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401297017.

It is not an unprimeable number, because it can be changed into a prime (401297317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18240763 + ... + 18240784.

It is an arithmetic number, because the mean of its divisors is an integer number (109444644).

Almost surely, 2^401297017 is an apocalyptic number.

It is an amenable number.

401297017 is a deficient number, since it is larger than the sum of its proper divisors (36481559).

401297017 is a wasteful number, since it uses less digits than its factorization.

401297017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36481558.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 401297017 is about 20032.3991823246. The cubic root of 401297017 is about 737.6018157622.

The spelling of 401297017 in words is "four hundred one million, two hundred ninety-seven thousand, seventeen".