25050091 has 8 divisors (see below), whose sum is σ = 27584064. Its totient is φ = 22558920.

The previous prime is 25050089. The next prime is 25050097. The reversal of 25050091 is 19005052.

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

It is a cyclic number.

It is not a de Polignac number, because 25050091 - 2¹ = 25050089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25050097) 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, 9465 + ... + 11818.

It is an arithmetic number, because the mean of its divisors is an integer number (3448008).

Almost surely, 2^25050091 is an apocalyptic number.

25050091 is a deficient number, since it is larger than the sum of its proper divisors (2533973).

25050091 is a wasteful number, since it uses less digits than its factorization.

25050091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21401.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 25050091 is about 5005.0065934023. The cubic root of 25050091 is about 292.5969328332.

The spelling of 25050091 in words is "twenty-five million, fifty thousand, ninety-one".