25298290 has 16 divisors (see below), whose sum is σ = 45722880. Its totient is φ = 10078000.

The previous prime is 25298257. The next prime is 25298293. The reversal of 25298290 is 9289252.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25298293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2530 + ... + 7549.

It is an arithmetic number, because the mean of its divisors is an integer number (2857680).

Almost surely, 2^25298290 is an apocalyptic number.

25298290 is a deficient number, since it is larger than the sum of its proper divisors (20424590).

25298290 is a wasteful number, since it uses less digits than its factorization.

25298290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10337.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 25298290 is about 5029.7405499688. The cubic root of 25298290 is about 293.5601193273.

The spelling of 25298290 in words is "twenty-five million, two hundred ninety-eight thousand, two hundred ninety".