61003975 has 12 divisors (see below), whose sum is σ = 75792024. Its totient is φ = 48708320.

The previous prime is 61003967. The next prime is 61003991. The reversal of 61003975 is 57930016.

It is not a de Polignac number, because 61003975 - 2³ = 61003967 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 11 ways as a sum of consecutive naturals, for example, 12597 + ... + 16753.

It is an arithmetic number, because the mean of its divisors is an integer number (6316002).

Almost surely, 2^61003975 is an apocalyptic number.

61003975 is a deficient number, since it is larger than the sum of its proper divisors (14788049).

61003975 is a wasteful number, since it uses less digits than its factorization.

61003975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4754 (or 4749 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 61003975 is about 7810.5041450600. The cubic root of 61003975 is about 393.6582687126.

The spelling of 61003975 in words is "sixty-one million, three thousand, nine hundred seventy-five".