501241215 has 32 divisors (see below), whose sum is σ = 813758400. Its totient is φ = 263435264.

The previous prime is 501241211. The next prime is 501241241. The reversal of 501241215 is 512142105.

It is a cyclic number.

It is not a de Polignac number, because 501241215 - 2² = 501241211 is a prime.

It is a super-2 number, since 2×501241215² = 502485511229352450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 501241191 and 501241200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501241211) 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, 305377 + ... + 307013.

It is an arithmetic number, because the mean of its divisors is an integer number (25429950).

Almost surely, 2^501241215 is an apocalyptic number.

501241215 is a deficient number, since it is larger than the sum of its proper divisors (312517185).

501241215 is a wasteful number, since it uses less digits than its factorization.

501241215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 501241215 is about 22388.4169828954. The cubic root of 501241215 is about 794.3567519372.

The spelling of 501241215 in words is "five hundred one million, two hundred forty-one thousand, two hundred fifteen".