25492741 has 8 divisors (see below), whose sum is σ = 27722520. Its totient is φ = 23344128.

The previous prime is 25492729. The next prime is 25492759. The reversal of 25492741 is 14729452.

It can be written as a sum of positive squares in 4 ways, for example, as 19096900 + 6395841 = 4370^2 + 2529^2 .

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

It is not a de Polignac number, because 25492741 - 2⁷ = 25492613 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25492697 and 25492706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25492721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19636 + ... + 20893.

It is an arithmetic number, because the mean of its divisors is an integer number (3465315).

Almost surely, 2^25492741 is an apocalyptic number.

It is an amenable number.

25492741 is a deficient number, since it is larger than the sum of its proper divisors (2229779).

25492741 is a wasteful number, since it uses less digits than its factorization.

25492741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40583.

The product of its digits is 20160, while the sum is 34.

The square root of 25492741 is about 5049.0336699214. The cubic root of 25492741 is about 294.3103337626.

The spelling of 25492741 in words is "twenty-five million, four hundred ninety-two thousand, seven hundred forty-one".