25475873 has 4 divisors (see below), whose sum is σ = 25519428. Its totient is φ = 25432320.

The previous prime is 25475839. The next prime is 25475899. The reversal of 25475873 is 37857452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8567329 + 16908544 = 2927^2 + 4112^2 .

It is a cyclic number.

It is not a de Polignac number, because 25475873 - 2⁸ = 25475617 is a prime.

It is a super-2 number, since 2×25475873² = 1298040210224258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25475873.

It is not an unprimeable number, because it can be changed into a prime (25475803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20888 + ... + 22073.

It is an arithmetic number, because the mean of its divisors is an integer number (6379857).

Almost surely, 2^25475873 is an apocalyptic number.

It is an amenable number.

25475873 is a deficient number, since it is larger than the sum of its proper divisors (43555).

25475873 is an equidigital number, since it uses as much as digits as its factorization.

25475873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43554.

The product of its digits is 235200, while the sum is 41.

The square root of 25475873 is about 5047.3629748612. The cubic root of 25475873 is about 294.2454064948.

The spelling of 25475873 in words is "twenty-five million, four hundred seventy-five thousand, eight hundred seventy-three".