25134499 has 4 divisors (see below), whose sum is σ = 27067936. Its totient is φ = 23201064.

The previous prime is 25134493. The next prime is 25134509. The reversal of 25134499 is 99443152.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25134499 - 2⁷ = 25134371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25134493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966699 + ... + 966724.

It is an arithmetic number, because the mean of its divisors is an integer number (6766984).

Almost surely, 2^25134499 is an apocalyptic number.

25134499 is a deficient number, since it is larger than the sum of its proper divisors (1933437).

25134499 is a wasteful number, since it uses less digits than its factorization.

25134499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933436.

The product of its digits is 38880, while the sum is 37.

The square root of 25134499 is about 5013.4318585177. The cubic root of 25134499 is about 292.9252062078.

The spelling of 25134499 in words is "twenty-five million, one hundred thirty-four thousand, four hundred ninety-nine".