61135475 has 6 divisors (see below), whose sum is σ = 75808020. Its totient is φ = 48908360.

The previous prime is 61135439. The next prime is 61135513. The reversal of 61135475 is 57453116.

It is not a de Polignac number, because 61135475 - 2⁶ = 61135411 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1222685 + ... + 1222734.

It is an arithmetic number, because the mean of its divisors is an integer number (12634670).

Almost surely, 2^61135475 is an apocalyptic number.

61135475 is a deficient number, since it is larger than the sum of its proper divisors (14672545).

61135475 is a wasteful number, since it uses less digits than its factorization.

61135475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445429 (or 2445424 counting only the distinct ones).

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

The square root of 61135475 is about 7818.9177639875. The cubic root of 61135475 is about 393.9409219399.

The spelling of 61135475 in words is "sixty-one million, one hundred thirty-five thousand, four hundred seventy-five".