501397701 has 8 divisors (see below), whose sum is σ = 764034624. Its totient is φ = 286512960.

The previous prime is 501397697. The next prime is 501397703. The reversal of 501397701 is 107793105.

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

It is not a de Polignac number, because 501397701 - 2² = 501397697 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501397703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11938020 + ... + 11938061.

It is an arithmetic number, because the mean of its divisors is an integer number (95504328).

Almost surely, 2^501397701 is an apocalyptic number.

It is an amenable number.

501397701 is a deficient number, since it is larger than the sum of its proper divisors (262636923).

501397701 is a wasteful number, since it uses less digits than its factorization.

501397701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23876091.

The product of its (nonzero) digits is 6615, while the sum is 33.

The square root of 501397701 is about 22391.9115083996. The cubic root of 501397701 is about 794.4394085991.

The spelling of 501397701 in words is "five hundred one million, three hundred ninety-seven thousand, seven hundred one".