25492261 has 8 divisors (see below), whose sum is σ = 26496000. Its totient is φ = 24499920.

The previous prime is 25492241. The next prime is 25492267. The reversal of 25492261 is 16229452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25492261 - 2⁷ = 25492133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25492267) 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 7 ways as a sum of consecutive naturals, for example, 1860 + ... + 7378.

It is an arithmetic number, because the mean of its divisors is an integer number (3312000).

Almost surely, 2^25492261 is an apocalyptic number.

It is an amenable number.

25492261 is a deficient number, since it is larger than the sum of its proper divisors (1003739).

25492261 is a wasteful number, since it uses less digits than its factorization.

25492261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5699.

The product of its digits is 8640, while the sum is 31.

The square root of 25492261 is about 5048.9861358495. The cubic root of 25492261 is about 294.3084865721.

The spelling of 25492261 in words is "twenty-five million, four hundred ninety-two thousand, two hundred sixty-one".