25069245 has 16 divisors (see below), whose sum is σ = 41090112. Its totient is φ = 13043840.

The previous prime is 25069243. The next prime is 25069249. The reversal of 25069245 is 54296052.

It is not a de Polignac number, because 25069245 - 2¹ = 25069243 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25069243) 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, 19767 + ... + 20996.

It is an arithmetic number, because the mean of its divisors is an integer number (2568132).

Almost surely, 2^25069245 is an apocalyptic number.

It is an amenable number.

25069245 is a deficient number, since it is larger than the sum of its proper divisors (16020867).

25069245 is a wasteful number, since it uses less digits than its factorization.

25069245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40812.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 25069245 is about 5006.9197117589. The cubic root of 25069245 is about 292.6714897657.

The spelling of 25069245 in words is "twenty-five million, sixty-nine thousand, two hundred forty-five".