61270885 has 16 divisors (see below), whose sum is σ = 79680384. Its totient is φ = 44960832.

The previous prime is 61270879. The next prime is 61270949. The reversal of 61270885 is 58807216.

It is a cyclic number.

It is not a de Polignac number, because 61270885 - 2²⁵ = 27716453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7704 + ... + 13486.

It is an arithmetic number, because the mean of its divisors is an integer number (4980024).

Almost surely, 2^61270885 is an apocalyptic number.

61270885 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

61270885 is a deficient number, since it is larger than the sum of its proper divisors (18409499).

61270885 is a wasteful number, since it uses less digits than its factorization.

61270885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5964.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 61270885 is about 7827.5721012329. The cubic root of 61270885 is about 394.2315562772.

The spelling of 61270885 in words is "sixty-one million, two hundred seventy thousand, eight hundred eighty-five".