25654051 has 4 divisors (see below), whose sum is σ = 25881192. Its totient is φ = 25426912.

The previous prime is 25654049. The next prime is 25654063. The reversal of 25654051 is 15045652.

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 25654051 - 2¹ = 25654049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25654001) 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, 113401 + ... + 113626.

It is an arithmetic number, because the mean of its divisors is an integer number (6470298).

Almost surely, 2^25654051 is an apocalyptic number.

25654051 is a deficient number, since it is larger than the sum of its proper divisors (227141).

25654051 is a wasteful number, since it uses less digits than its factorization.

25654051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227140.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 25654051 is about 5064.9828232680. The cubic root of 25654051 is about 294.9297965665.

The spelling of 25654051 in words is "twenty-five million, six hundred fifty-four thousand, fifty-one".