61375 has 8 divisors (see below), whose sum is σ = 76752. Its totient is φ = 49000.

The previous prime is 61363. The next prime is 61379. The reversal of 61375 is 57316.

It is not a de Polignac number, because 61375 - 2⁵ = 61343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121 + ... + 370.

It is an arithmetic number, because the mean of its divisors is an integer number (9594).

2⁶¹³⁷⁵ is an apocalyptic number.

61375 is a deficient number, since it is larger than the sum of its proper divisors (15377).

61375 is an equidigital number, since it uses as much as digits as its factorization.

61375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 496 counting only the distinct ones).

The product of its digits is 630, while the sum is 22.

The square root of 61375 is about 247.7397828367. The cubic root of 61375 is about 39.4454730201.

The spelling of 61375 in words is "sixty-one thousand, three hundred seventy-five".