25261351 has 4 divisors (see below), whose sum is σ = 25283104. Its totient is φ = 25239600.

The previous prime is 25261333. The next prime is 25261361. The reversal of 25261351 is 15316252.

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 25261351 - 2⁵ = 25261319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25261321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9030 + ... + 11491.

It is an arithmetic number, because the mean of its divisors is an integer number (6320776).

Almost surely, 2^25261351 is an apocalyptic number.

25261351 is a deficient number, since it is larger than the sum of its proper divisors (21753).

25261351 is a wasteful number, since it uses less digits than its factorization.

25261351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21752.

The product of its digits is 1800, while the sum is 25.

The square root of 25261351 is about 5026.0671503672. The cubic root of 25261351 is about 293.4171702800.

The spelling of 25261351 in words is "twenty-five million, two hundred sixty-one thousand, three hundred fifty-one".