2291525 has 12 divisors (see below), whose sum is σ = 2883744. Its totient is φ = 1806000.

The previous prime is 2291491. The next prime is 2291539. The reversal of 2291525 is 5251922.

It is not a de Polignac number, because 2291525 - 2⁸ = 2291269 is a prime.

It is a hoax number, since the sum of its digits (26) 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 = 2291494 and 2291503.

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, 1130 + ... + 2420.

It is an arithmetic number, because the mean of its divisors is an integer number (240312).

2^2291525 is an apocalyptic number.

2291525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2291525 is a deficient number, since it is larger than the sum of its proper divisors (592219).

2291525 is a wasteful number, since it uses less digits than its factorization.

2291525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372 (or 1367 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 2291525 is about 1513.7783853656. The cubic root of 2291525 is about 131.8382814448.

The spelling of 2291525 in words is "two million, two hundred ninety-one thousand, five hundred twenty-five".