401516375 has 16 divisors (see below), whose sum is σ = 539640192. Its totient is φ = 296503200.

The previous prime is 401516369. The next prime is 401516377. The reversal of 401516375 is 573615104.

It is not a de Polignac number, because 401516375 - 2¹⁰ = 401515351 is a prime.

It is a super-2 number, since 2×401516375² = 322430798786281250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401516377) 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, 121919 + ... + 125168.

It is an arithmetic number, because the mean of its divisors is an integer number (33727512).

Almost surely, 2^401516375 is an apocalyptic number.

401516375 is a deficient number, since it is larger than the sum of its proper divisors (138123817).

401516375 is a wasteful number, since it uses less digits than its factorization.

401516375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247115 (or 247105 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 401516375 is about 20037.8735149217. The cubic root of 401516375 is about 737.7361878774.

The spelling of 401516375 in words is "four hundred one million, five hundred sixteen thousand, three hundred seventy-five".