25245299 has 4 divisors (see below), whose sum is σ = 25861080. Its totient is φ = 24629520.

The previous prime is 25245287. The next prime is 25245301. The reversal of 25245299 is 99254252.

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

It is not a de Polignac number, because 25245299 - 2²⁰ = 24196723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25245229) 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, 307829 + ... + 307910.

It is an arithmetic number, because the mean of its divisors is an integer number (6465270).

Almost surely, 2^25245299 is an apocalyptic number.

25245299 is a deficient number, since it is larger than the sum of its proper divisors (615781).

25245299 is an equidigital number, since it uses as much as digits as its factorization.

25245299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615780.

The product of its digits is 64800, while the sum is 38.

The square root of 25245299 is about 5024.4700218033. The cubic root of 25245299 is about 293.3550077247.

The spelling of 25245299 in words is "twenty-five million, two hundred forty-five thousand, two hundred ninety-nine".