520252726 has 24 divisors (see below), whose sum is σ = 921583440. Its totient is φ = 215767440.

The previous prime is 520252723. The next prime is 520252727. The reversal of 520252726 is 627252025.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520252723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5881 + ... + 32788.

It is an arithmetic number, because the mean of its divisors is an integer number (38399310).

Almost surely, 2^520252726 is an apocalyptic number.

520252726 is a deficient number, since it is larger than the sum of its proper divisors (401330714).

520252726 is a wasteful number, since it uses less digits than its factorization.

520252726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38740 (or 38709 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 520252726 is about 22809.0492129769. The cubic root of 520252726 is about 804.2754052260.

The spelling of 520252726 in words is "five hundred twenty million, two hundred fifty-two thousand, seven hundred twenty-six".