401972153 has 16 divisors (see below), whose sum is σ = 449176320. Its totient is φ = 356592000.

The previous prime is 401972147. The next prime is 401972183. The reversal of 401972153 is 351279104.

It is a cyclic number.

It is not a de Polignac number, because 401972153 - 2¹² = 401968057 is a prime.

It is a super-2 number, since 2×401972153² = 323163223574910818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401972183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210503 + ... + 212403.

It is an arithmetic number, because the mean of its divisors is an integer number (28073520).

Almost surely, 2^401972153 is an apocalyptic number.

It is an amenable number.

401972153 is a deficient number, since it is larger than the sum of its proper divisors (47204167).

401972153 is a wasteful number, since it uses less digits than its factorization.

401972153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 401972153 is about 20049.2432026748. The cubic root of 401972153 is about 738.0152273697.

The spelling of 401972153 in words is "four hundred one million, nine hundred seventy-two thousand, one hundred fifty-three".