61130875 has 16 divisors (see below), whose sum is σ = 82162080. Its totient is φ = 45141600.

The previous prime is 61130837. The next prime is 61130891. The reversal of 61130875 is 57803116.

It is not a de Polignac number, because 61130875 - 2¹³ = 61122683 is a prime.

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, 17185 + ... + 20434.

It is an arithmetic number, because the mean of its divisors is an integer number (5135130).

Almost surely, 2^61130875 is an apocalyptic number.

61130875 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

61130875 is a deficient number, since it is larger than the sum of its proper divisors (21031205).

61130875 is a wasteful number, since it uses less digits than its factorization.

61130875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37647 (or 37637 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 61130875 is about 7818.6236000974. The cubic root of 61130875 is about 393.9310412953.

The spelling of 61130875 in words is "sixty-one million, one hundred thirty thousand, eight hundred seventy-five".