501225537 has 4 divisors (see below), whose sum is σ = 668300720. Its totient is φ = 334150356.

The previous prime is 501225523. The next prime is 501225547. The reversal of 501225537 is 735522105.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 501225537 - 2¹⁰ = 501224513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501225547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83537587 + ... + 83537592.

It is an arithmetic number, because the mean of its divisors is an integer number (167075180).

Almost surely, 2^501225537 is an apocalyptic number.

It is an amenable number.

501225537 is a deficient number, since it is larger than the sum of its proper divisors (167075183).

501225537 is a wasteful number, since it uses less digits than its factorization.

501225537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167075182.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 501225537 is about 22388.0668437451. The cubic root of 501225537 is about 794.3484697937.

The spelling of 501225537 in words is "five hundred one million, two hundred twenty-five thousand, five hundred thirty-seven".