401260531 has 4 divisors (see below), whose sum is σ = 458583472. Its totient is φ = 343937592.

The previous prime is 401260511. The next prime is 401260549. The reversal of 401260531 is 135062104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401260531 - 2⁹ = 401260019 is a prime.

It is a super-2 number, since 2×401260531² = 322020027476803922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401260511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28661460 + ... + 28661473.

It is an arithmetic number, because the mean of its divisors is an integer number (114645868).

Almost surely, 2^401260531 is an apocalyptic number.

401260531 is a deficient number, since it is larger than the sum of its proper divisors (57322941).

401260531 is an equidigital number, since it uses as much as digits as its factorization.

401260531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57322940.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 401260531 is about 20031.4884868799. The cubic root of 401260531 is about 737.5794607862.

The spelling of 401260531 in words is "four hundred one million, two hundred sixty thousand, five hundred thirty-one".