61905260 has 12 divisors (see below), whose sum is σ = 130001088. Its totient is φ = 24762096.

The previous prime is 61905197. The next prime is 61905289. The reversal of 61905260 is 6250916.

61905260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61905260² = 7664522431335200, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1547612 + ... + 1547651.

It is an arithmetic number, because the mean of its divisors is an integer number (10833424).

Almost surely, 2^61905260 is an apocalyptic number.

It is an amenable number.

61905260 is an abundant number, since it is smaller than the sum of its proper divisors (68095828).

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

61905260 is a wasteful number, since it uses less digits than its factorization.

61905260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3095272 (or 3095270 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 61905260 is about 7867.9895780307. The cubic root of 61905260 is about 395.5874610721.

The spelling of 61905260 in words is "sixty-one million, nine hundred five thousand, two hundred sixty".