25340949 has 12 divisors (see below), whose sum is σ = 36652512. Its totient is φ = 16871400.

The previous prime is 25340947. The next prime is 25340957. The reversal of 25340949 is 94904352.

It is not a de Polignac number, because 25340949 - 2¹ = 25340947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25340947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7914 + ... + 10644.

It is an arithmetic number, because the mean of its divisors is an integer number (3054376).

Almost surely, 2^25340949 is an apocalyptic number.

It is an amenable number.

25340949 is a deficient number, since it is larger than the sum of its proper divisors (11311563).

25340949 is a wasteful number, since it uses less digits than its factorization.

25340949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768 (or 3765 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 25340949 is about 5033.9794397673. The cubic root of 25340949 is about 293.7250309847.

The spelling of 25340949 in words is "twenty-five million, three hundred forty thousand, nine hundred forty-nine".