25392001 has 4 divisors (see below), whose sum is σ = 25497604. Its totient is φ = 25286400.

The previous prime is 25391969. The next prime is 25392041. The reversal of 25392001 is 10029352.

25392001 is nontrivially palindromic in base 16.

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 20657025 + 4734976 = 4545^2 + 2176^2 .

It is a cyclic number.

It is not a de Polignac number, because 25392001 - 2⁵ = 25391969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25392041) 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, 52440 + ... + 52921.

It is an arithmetic number, because the mean of its divisors is an integer number (6374401).

Almost surely, 2^25392001 is an apocalyptic number.

It is an amenable number.

25392001 is a deficient number, since it is larger than the sum of its proper divisors (105603).

25392001 is a wasteful number, since it uses less digits than its factorization.

25392001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105602.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 25392001 is about 5039.0476282726. The cubic root of 25392001 is about 293.9221453035.

The spelling of 25392001 in words is "twenty-five million, three hundred ninety-two thousand, one".