25130273 has 4 divisors (see below), whose sum is σ = 28720320. Its totient is φ = 21540228.

The previous prime is 25130263. The next prime is 25130279. The reversal of 25130273 is 37203152.

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 25130273 - 2⁴ = 25130257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25130279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1795013 + ... + 1795026.

It is an arithmetic number, because the mean of its divisors is an integer number (7180080).

Almost surely, 2^25130273 is an apocalyptic number.

It is an amenable number.

25130273 is a deficient number, since it is larger than the sum of its proper divisors (3590047).

25130273 is an equidigital number, since it uses as much as digits as its factorization.

25130273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590046.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 25130273 is about 5013.0103730194. The cubic root of 25130273 is about 292.9087882516.

The spelling of 25130273 in words is "twenty-five million, one hundred thirty thousand, two hundred seventy-three".