507561436 has 24 divisors (see below), whose sum is σ = 899539200. Its totient is φ = 250570752.

The previous prime is 507561433. The next prime is 507561479. The reversal of 507561436 is 634165705.

It is a super-2 number, since 2×507561436² = 515237222628764192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 507561395 and 507561404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507561433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103365 + ... + 108163.

It is an arithmetic number, because the mean of its divisors is an integer number (37480800).

Almost surely, 2^507561436 is an apocalyptic number.

It is an amenable number.

507561436 is a deficient number, since it is larger than the sum of its proper divisors (391977764).

507561436 is a wasteful number, since it uses less digits than its factorization.

507561436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5133 (or 5131 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 507561436 is about 22529.1241729456. The cubic root of 507561436 is about 797.6815353093.

The spelling of 507561436 in words is "five hundred seven million, five hundred sixty-one thousand, four hundred thirty-six".