507261056 has 16 divisors (see below), whose sum is σ = 1010559390. Its totient is φ = 253630464.

The previous prime is 507261019. The next prime is 507261059. The reversal of 507261056 is 650162705.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 474542656 + 32718400 = 21784^2 + 5720^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507261059) 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 as a sum of consecutive naturals, namely, 1981361 + ... + 1981616.

Almost surely, 2^507261056 is an apocalyptic number.

It is an amenable number.

507261056 is a deficient number, since it is larger than the sum of its proper divisors (503298334).

507261056 is an equidigital number, since it uses as much as digits as its factorization.

507261056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3962991 (or 3962979 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 507261056 is about 22522.4567043651. The cubic root of 507261056 is about 797.5241455856.

The spelling of 507261056 in words is "five hundred seven million, two hundred sixty-one thousand, fifty-six".