501401365 has 8 divisors (see below), whose sum is σ = 604080288. Its totient is φ = 399522000.

The previous prime is 501401339. The next prime is 501401413. The reversal of 501401365 is 563104105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 501401365 - 2¹⁵ = 501368597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198507 + ... + 201016.

It is an arithmetic number, because the mean of its divisors is an integer number (75510036).

Almost surely, 2^501401365 is an apocalyptic number.

It is an amenable number.

501401365 is a deficient number, since it is larger than the sum of its proper divisors (102678923).

501401365 is a wasteful number, since it uses less digits than its factorization.

501401365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399779.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 501401365 is about 22391.9933235074. The cubic root of 501401365 is about 794.4413437356.

The spelling of 501401365 in words is "five hundred one million, four hundred one thousand, three hundred sixty-five".