501425537 has 4 divisors (see below), whose sum is σ = 513086640. Its totient is φ = 489764436.

The previous prime is 501425513. The next prime is 501425581. The reversal of 501425537 is 735524105.

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 a cyclic number.

It is not a de Polignac number, because 501425537 - 2⁶ = 501425473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506425537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5830487 + ... + 5830572.

It is an arithmetic number, because the mean of its divisors is an integer number (128271660).

Almost surely, 2^501425537 is an apocalyptic number.

It is an amenable number.

501425537 is a deficient number, since it is larger than the sum of its proper divisors (11661103).

501425537 is a wasteful number, since it uses less digits than its factorization.

501425537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11661102.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 501425537 is about 22392.5330635013. The cubic root of 501425537 is about 794.4541099072.

The spelling of 501425537 in words is "five hundred one million, four hundred twenty-five thousand, five hundred thirty-seven".