25514749 has 8 divisors (see below), whose sum is σ = 28062720. Its totient is φ = 23050416.

The previous prime is 25514729. The next prime is 25514779. The reversal of 25514749 is 94741552.

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 25514749 - 2⁵ = 25514717 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 (25514729) 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, 20269 + ... + 21490.

It is an arithmetic number, because the mean of its divisors is an integer number (3507840).

Almost surely, 2^25514749 is an apocalyptic number.

It is an amenable number.

25514749 is a deficient number, since it is larger than the sum of its proper divisors (2547971).

25514749 is a wasteful number, since it uses less digits than its factorization.

25514749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41819.

The product of its digits is 50400, while the sum is 37.

The square root of 25514749 is about 5051.2126266868. The cubic root of 25514749 is about 294.3950025550.

The spelling of 25514749 in words is "twenty-five million, five hundred fourteen thousand, seven hundred forty-nine".