25045073 has 4 divisors (see below), whose sum is σ = 25072740. Its totient is φ = 25017408.

The previous prime is 25045061. The next prime is 25045079. The reversal of 25045073 is 37054052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7463824 + 17581249 = 2732^2 + 4193^2 .

It is a cyclic number.

It is not a de Polignac number, because 25045073 - 2⁴ = 25045057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25045079) 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, 12428 + ... + 14301.

It is an arithmetic number, because the mean of its divisors is an integer number (6268185).

Almost surely, 2^25045073 is an apocalyptic number.

It is an amenable number.

25045073 is a deficient number, since it is larger than the sum of its proper divisors (27667).

25045073 is an equidigital number, since it uses as much as digits as its factorization.

25045073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27666.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 25045073 is about 5004.5052702540. The cubic root of 25045073 is about 292.5773939892.

The spelling of 25045073 in words is "twenty-five million, forty-five thousand, seventy-three".