25190097 has 4 divisors (see below), whose sum is σ = 33586800. Its totient is φ = 16793396.

The previous prime is 25190063. The next prime is 25190101. The reversal of 25190097 is 79009152.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25190097 - 2⁸ = 25189841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25190597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4198347 + ... + 4198352.

It is an arithmetic number, because the mean of its divisors is an integer number (8396700).

Almost surely, 2^25190097 is an apocalyptic number.

It is an amenable number.

25190097 is a deficient number, since it is larger than the sum of its proper divisors (8396703).

25190097 is an equidigital number, since it uses as much as digits as its factorization.

25190097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8396702.

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 25190097 is about 5018.9736998713. The cubic root of 25190097 is about 293.1410325639.

The spelling of 25190097 in words is "twenty-five million, one hundred ninety thousand, ninety-seven".