61586475 has 12 divisors (see below), whose sum is σ = 101823096. Its totient is φ = 32846080.

The previous prime is 61586471. The next prime is 61586509. The reversal of 61586475 is 57468516.

It is not a de Polignac number, because 61586475 - 2² = 61586471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61586471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 410502 + ... + 410651.

It is an arithmetic number, because the mean of its divisors is an integer number (8485258).

Almost surely, 2^61586475 is an apocalyptic number.

61586475 is a deficient number, since it is larger than the sum of its proper divisors (40236621).

61586475 is a wasteful number, since it uses less digits than its factorization.

61586475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821166 (or 821161 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 61586475 is about 7847.7050785564. The cubic root of 61586475 is about 394.9072580431.

The spelling of 61586475 in words is "sixty-one million, five hundred eighty-six thousand, four hundred seventy-five".