501398095 has 16 divisors (see below), whose sum is σ = 665625600. Its totient is φ = 359514400.

The previous prime is 501398089. The next prime is 501398167. The reversal of 501398095 is 590893105.

It is not a de Polignac number, because 501398095 - 2⁹ = 501397583 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60295 + ... + 68104.

It is an arithmetic number, because the mean of its divisors is an integer number (41601600).

Almost surely, 2^501398095 is an apocalyptic number.

501398095 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

501398095 is a deficient number, since it is larger than the sum of its proper divisors (164227505).

501398095 is a wasteful number, since it uses less digits than its factorization.

501398095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128486.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 501398095 is about 22391.9203062176. The cubic root of 501398095 is about 794.4396166901.

The spelling of 501398095 in words is "five hundred one million, three hundred ninety-eight thousand, ninety-five".