25193090 has 16 divisors (see below), whose sum is σ = 48836088. Its totient is φ = 9302016.

The previous prime is 25193089. The next prime is 25193101. The reversal of 25193090 is 9039152.

It can be written as a sum of positive squares in 4 ways, for example, as 19351201 + 5841889 = 4399^2 + 2417^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96767 + ... + 97026.

Almost surely, 2^25193090 is an apocalyptic number.

25193090 is a deficient number, since it is larger than the sum of its proper divisors (23642998).

25193090 is a wasteful number, since it uses less digits than its factorization.

25193090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193813.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 25193090 is about 5019.2718595430. The cubic root of 25193090 is about 293.1526421045.

The spelling of 25193090 in words is "twenty-five million, one hundred ninety-three thousand, ninety".