501620606 has 4 divisors (see below), whose sum is σ = 752430912. Its totient is φ = 250810302.

The previous prime is 501620599. The next prime is 501620611. The reversal of 501620606 is 606026105.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125405150 + ... + 125405153.

It is an arithmetic number, because the mean of its divisors is an integer number (188107728).

Almost surely, 2^501620606 is an apocalyptic number.

501620606 is a deficient number, since it is larger than the sum of its proper divisors (250810306).

501620606 is a wasteful number, since it uses less digits than its factorization.

501620606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250810305.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 501620606 is about 22396.8883106560. Note that the first 3 decimals coincide. The cubic root of 501620606 is about 794.5571184068.

The spelling of 501620606 in words is "five hundred one million, six hundred twenty thousand, six hundred six".