25072573 has 4 divisors (see below), whose sum is σ = 25606080. Its totient is φ = 24539068.

The previous prime is 25072549. The next prime is 25072577. The reversal of 25072573 is 37527052.

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 a de Polignac number, because none of the positive numbers 2^k-25072573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25072577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266683 + ... + 266776.

It is an arithmetic number, because the mean of its divisors is an integer number (6401520).

Almost surely, 2^25072573 is an apocalyptic number.

It is an amenable number.

25072573 is a deficient number, since it is larger than the sum of its proper divisors (533507).

25072573 is an equidigital number, since it uses as much as digits as its factorization.

25072573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533506.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 25072573 is about 5007.2520407904. The cubic root of 25072573 is about 292.6844401307.

The spelling of 25072573 in words is "twenty-five million, seventy-two thousand, five hundred seventy-three".