25404983 has 4 divisors (see below), whose sum is σ = 25511520. Its totient is φ = 25298448.

The previous prime is 25404971. The next prime is 25404989. The reversal of 25404983 is 38940452.

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

It is a cyclic number.

It is not a de Polignac number, because 25404983 - 2⁸ = 25404727 is a prime.

It is a super-2 number, since 2×25404983² = 1290826322460578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25404989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52910 + ... + 53387.

It is an arithmetic number, because the mean of its divisors is an integer number (6377880).

Almost surely, 2^25404983 is an apocalyptic number.

25404983 is a deficient number, since it is larger than the sum of its proper divisors (106537).

25404983 is a wasteful number, since it uses less digits than its factorization.

25404983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106536.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 25404983 is about 5040.3356039058. The cubic root of 25404983 is about 293.9722273116.

The spelling of 25404983 in words is "twenty-five million, four hundred four thousand, nine hundred eighty-three".