61263504 has 30 divisors (see below), whose sum is σ = 171453126. Its totient is φ = 20421120.

The previous prime is 61263497. The next prime is 61263511. The reversal of 61263504 is 40536216.

61263504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61263497) and next prime (61263511).

It can be written as a sum of positive squares in only one way, i.e., 51151104 + 10112400 = 7152^2 + 3180^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212577 + ... + 212864.

Almost surely, 2^61263504 is an apocalyptic number.

It is an amenable number.

61263504 is an abundant number, since it is smaller than the sum of its proper divisors (110189622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61263504 is a wasteful number, since it uses less digits than its factorization.

61263504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425455 (or 425446 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 61263504 is about 7827.1006126151. The cubic root of 61263504 is about 394.2157252673.

The spelling of 61263504 in words is "sixty-one million, two hundred sixty-three thousand, five hundred four".