291325 has 12 divisors (see below), whose sum is σ = 371008. Its totient is φ = 226800.

The previous prime is 291299. The next prime is 291331. The reversal of 291325 is 523192.

It is not a de Polignac number, because 291325 - 2⁵ = 291293 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 291296 and 291305.

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, 940 + ... + 1210.

2²⁹¹³²⁵ is an apocalyptic number.

291325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

291325 is a deficient number, since it is larger than the sum of its proper divisors (79683).

291325 is a wasteful number, since it uses less digits than its factorization.

291325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 319 counting only the distinct ones).

The product of its digits is 540, while the sum is 22.

The square root of 291325 is about 539.7453103085. The cubic root of 291325 is about 66.2917145618.

It can be divided in two parts, 291 and 325, that added together give a palindrome (616).

The spelling of 291325 in words is "two hundred ninety-one thousand, three hundred twenty-five".