25096985 has 8 divisors (see below), whose sum is σ = 30415176. Its totient is φ = 19878400.

The previous prime is 25096963. The next prime is 25096987. The reversal of 25096985 is 58969052.

25096985 = T₂₄₆ + T₂₄₇ + ... + T₅₄₈.

It can be written as a sum of positive squares in 4 ways, for example, as 1700416 + 23396569 = 1304^2 + 4837^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-25096985 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25096987) 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, 24344 + ... + 25353.

It is an arithmetic number, because the mean of its divisors is an integer number (3801897).

Almost surely, 2^25096985 is an apocalyptic number.

It is an amenable number.

25096985 is a deficient number, since it is larger than the sum of its proper divisors (5318191).

25096985 is a wasteful number, since it uses less digits than its factorization.

25096985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49803.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 25096985 is about 5009.6891121107. The cubic root of 25096985 is about 292.7794004004.

The spelling of 25096985 in words is "twenty-five million, ninety-six thousand, nine hundred eighty-five".