25495430 has 16 divisors (see below), whose sum is σ = 46347984. Its totient is φ = 10096800.

The previous prime is 25495403. The next prime is 25495439. The reversal of 25495430 is 3459452.

25495430 = 21² + 22² + ... + 424².

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25495439) 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, 11612 + ... + 13631.

It is an arithmetic number, because the mean of its divisors is an integer number (2896749).

Almost surely, 2^25495430 is an apocalyptic number.

25495430 is a deficient number, since it is larger than the sum of its proper divisors (20852554).

25495430 is a wasteful number, since it uses less digits than its factorization.

25495430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25351.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 25495430 is about 5049.2999514784. The cubic root of 25495430 is about 294.3206814489.

The spelling of 25495430 in words is "twenty-five million, four hundred ninety-five thousand, four hundred thirty".