25230997 has 4 divisors (see below), whose sum is σ = 27524736. Its totient is φ = 22937260.

The previous prime is 25230973. The next prime is 25231001. The reversal of 25230997 is 79903252.

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 25230997 - 2¹¹ = 25228949 is a prime.

It is a super-2 number, since 2×25230997² = 1273206419228018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25230967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1146853 + ... + 1146874.

It is an arithmetic number, because the mean of its divisors is an integer number (6881184).

Almost surely, 2^25230997 is an apocalyptic number.

It is an amenable number.

25230997 is a deficient number, since it is larger than the sum of its proper divisors (2293739).

25230997 is a wasteful number, since it uses less digits than its factorization.

25230997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293738.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 25230997 is about 5023.0465854897. The cubic root of 25230997 is about 293.2995999718.

The spelling of 25230997 in words is "twenty-five million, two hundred thirty thousand, nine hundred ninety-seven".