25948749 has 8 divisors (see below), whose sum is σ = 36633600. Its totient is φ = 16281536.

The previous prime is 25948739. The next prime is 25948753. The reversal of 25948749 is 94784952.

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

It is a cyclic number.

It is not a de Polignac number, because 25948749 - 2⁵ = 25948717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25948698 and 25948707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25948709) 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, 254349 + ... + 254450.

It is an arithmetic number, because the mean of its divisors is an integer number (4579200).

Almost surely, 2^25948749 is an apocalyptic number.

It is an amenable number.

25948749 is a deficient number, since it is larger than the sum of its proper divisors (10684851).

25948749 is a wasteful number, since it uses less digits than its factorization.

25948749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508819.

The product of its digits is 725760, while the sum is 48.

The square root of 25948749 is about 5093.9914605347. The cubic root of 25948749 is about 296.0548238176.

The spelling of 25948749 in words is "twenty-five million, nine hundred forty-eight thousand, seven hundred forty-nine".