401725311 has 32 divisors (see below), whose sum is σ = 598456320. Its totient is φ = 238032000.

The previous prime is 401725279. The next prime is 401725327. The reversal of 401725311 is 113527104.

It is not a de Polignac number, because 401725311 - 2⁵ = 401725279 is a prime.

It is a super-2 number, since 2×401725311² = 322766450996093442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401725361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 276136 + ... + 277586.

It is an arithmetic number, because the mean of its divisors is an integer number (18701760).

Almost surely, 2^401725311 is an apocalyptic number.

401725311 is a deficient number, since it is larger than the sum of its proper divisors (196731009).

401725311 is a wasteful number, since it uses less digits than its factorization.

401725311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 401725311 is about 20043.0863641307. The cubic root of 401725311 is about 737.8641302886.

The spelling of 401725311 in words is "four hundred one million, seven hundred twenty-five thousand, three hundred eleven".