25476961 has 4 divisors (see below), whose sum is σ = 26019072. Its totient is φ = 24934852.

The previous prime is 25476959. The next prime is 25477007. The reversal of 25476961 is 16967452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25476961 - 2¹ = 25476959 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25476901) 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, 270985 + ... + 271078.

It is an arithmetic number, because the mean of its divisors is an integer number (6504768).

Almost surely, 2^25476961 is an apocalyptic number.

It is an amenable number.

25476961 is a deficient number, since it is larger than the sum of its proper divisors (542111).

25476961 is an equidigital number, since it uses as much as digits as its factorization.

25476961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542110.

The product of its digits is 90720, while the sum is 40.

The square root of 25476961 is about 5047.4707527632. The cubic root of 25476961 is about 294.2495952219.

The spelling of 25476961 in words is "twenty-five million, four hundred seventy-six thousand, nine hundred sixty-one".