25300090 has 8 divisors (see below), whose sum is σ = 45540180. Its totient is φ = 10120032.

The previous prime is 25300081. The next prime is 25300091. The reversal of 25300090 is 9000352.

It can be written as a sum of positive squares in 2 ways, for example, as 22762441 + 2537649 = 4771^2 + 1593^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (25300091) 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, 1264995 + ... + 1265014.

Almost surely, 2^25300090 is an apocalyptic number.

25300090 is a deficient number, since it is larger than the sum of its proper divisors (20240090).

25300090 is a wasteful number, since it uses less digits than its factorization.

25300090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530016.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 25300090 is about 5029.9194824570. The cubic root of 25300090 is about 293.5670815328.

The spelling of 25300090 in words is "twenty-five million, three hundred thousand, ninety".