961375 has 8 divisors (see below), whose sum is σ = 1199952. Its totient is φ = 769000.

The previous prime is 961339. The next prime is 961393. The reversal of 961375 is 573169.

It is not a de Polignac number, because 961375 - 2⁹ = 960863 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 7 ways as a sum of consecutive naturals, for example, 3721 + ... + 3970.

It is an arithmetic number, because the mean of its divisors is an integer number (149994).

961375 is a Friedman number, since it can be written as 7691*5^3, using all its digits and the basic arithmetic operations.

2⁹⁶¹³⁷⁵ is an apocalyptic number.

961375 is a deficient number, since it is larger than the sum of its proper divisors (238577).

961375 is an equidigital number, since it uses as much as digits as its factorization.

961375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7706 (or 7696 counting only the distinct ones).

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

The square root of 961375 is about 980.4973227908. The cubic root of 961375 is about 98.6955583052.

The spelling of 961375 in words is "nine hundred sixty-one thousand, three hundred seventy-five".