25464261 has 4 divisors (see below), whose sum is σ = 33952352. Its totient is φ = 16976172.

The previous prime is 25464247. The next prime is 25464269. The reversal of 25464261 is 16246452.

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 not a de Polignac number, because 25464261 - 2¹³ = 25456069 is a prime.

It is a super-2 number, since 2×25464261² = 1296857176552242, 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 (25464269) 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, 4244041 + ... + 4244046.

It is an arithmetic number, because the mean of its divisors is an integer number (8488088).

Almost surely, 2^25464261 is an apocalyptic number.

It is an amenable number.

25464261 is a deficient number, since it is larger than the sum of its proper divisors (8488091).

25464261 is an equidigital number, since it uses as much as digits as its factorization.

25464261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8488090.

The product of its digits is 11520, while the sum is 30.

The square root of 25464261 is about 5046.2125401136. The cubic root of 25464261 is about 294.2006936414.

The spelling of 25464261 in words is "twenty-five million, four hundred sixty-four thousand, two hundred sixty-one".