25350634 has 4 divisors (see below), whose sum is σ = 38025954. Its totient is φ = 12675316.

The previous prime is 25350613. The next prime is 25350641. The reversal of 25350634 is 43605352.

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

It can be written as a sum of positive squares in only one way, i.e., 13344409 + 12006225 = 3653^2 + 3465^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6337657 + ... + 6337660.

Almost surely, 2^25350634 is an apocalyptic number.

25350634 is a deficient number, since it is larger than the sum of its proper divisors (12675320).

25350634 is a wasteful number, since it uses less digits than its factorization.

25350634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12675319.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 25350634 is about 5034.9413104822. The cubic root of 25350634 is about 293.7624455871.

Adding to 25350634 its reverse (43605352), we get a palindrome (68955986).

The spelling of 25350634 in words is "twenty-five million, three hundred fifty thousand, six hundred thirty-four".