25354749 has 16 divisors (see below), whose sum is σ = 38730240. Its totient is φ = 14453040.

The previous prime is 25354709. The next prime is 25354751. The reversal of 25354749 is 94745352.

It is not a de Polignac number, because 25354749 - 2¹⁵ = 25321981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25354709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9082 + ... + 11540.

It is an arithmetic number, because the mean of its divisors is an integer number (2420640).

Almost surely, 2^25354749 is an apocalyptic number.

It is an amenable number.

25354749 is a deficient number, since it is larger than the sum of its proper divisors (13375491).

25354749 is a wasteful number, since it uses less digits than its factorization.

25354749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960.

The product of its digits is 151200, while the sum is 39.

The square root of 25354749 is about 5035.3499381870. The cubic root of 25354749 is about 293.7783395625.

The spelling of 25354749 in words is "twenty-five million, three hundred fifty-four thousand, seven hundred forty-nine".