401653065 has 32 divisors (see below), whose sum is σ = 737971200. Its totient is φ = 184489920.

The previous prime is 401653051. The next prime is 401653099. The reversal of 401653065 is 560356104.

It is not a de Polignac number, because 401653065 - 2¹¹ = 401651017 is a prime.

It is a super-2 number, since 2×401653065² = 322650369247788450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60925 + ... + 67194.

It is an arithmetic number, because the mean of its divisors is an integer number (23061600).

Almost surely, 2^401653065 is an apocalyptic number.

It is an amenable number.

401653065 is a deficient number, since it is larger than the sum of its proper divisors (336318135).

401653065 is a wasteful number, since it uses less digits than its factorization.

401653065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128157.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 401653065 is about 20041.2840157511. The cubic root of 401653065 is about 737.8198953131.

The spelling of 401653065 in words is "four hundred one million, six hundred fifty-three thousand, sixty-five".