401012717 has 6 divisors (see below), whose sum is σ = 466484238. Its totient is φ = 343725144.

The previous prime is 401012657. The next prime is 401012753. The reversal of 401012717 is 717210104.

It can be written as a sum of positive squares in only one way, i.e., 307967401 + 93045316 = 17549^2 + 9646^2 .

It is not a de Polignac number, because 401012717 - 2¹⁴ = 400996333 is a prime.

It is a super-2 number, since 2×401012717² = 321622398391444178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401012692 and 401012701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401012767) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4091918 + ... + 4092015.

It is an arithmetic number, because the mean of its divisors is an integer number (77747373).

Almost surely, 2^401012717 is an apocalyptic number.

It is an amenable number.

401012717 is a deficient number, since it is larger than the sum of its proper divisors (65471521).

401012717 is an equidigital number, since it uses as much as digits as its factorization.

401012717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8183947 (or 8183940 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 401012717 is about 20025.3019203207. The cubic root of 401012717 is about 737.4275892518.

The spelling of 401012717 in words is "four hundred one million, twelve thousand, seven hundred seventeen".