25750345 has 4 divisors (see below), whose sum is σ = 30900420. Its totient is φ = 20600272.

The previous prime is 25750343. The next prime is 25750349. The reversal of 25750345 is 54305752.

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 18974736 + 6775609 = 4356^2 + 2603^2 .

It is a cyclic number.

It is not a de Polignac number, because 25750345 - 2¹ = 25750343 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (25750343) 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, 2575030 + ... + 2575039.

It is an arithmetic number, because the mean of its divisors is an integer number (7725105).

Almost surely, 2^25750345 is an apocalyptic number.

It is an amenable number.

25750345 is a deficient number, since it is larger than the sum of its proper divisors (5150075).

25750345 is an equidigital number, since it uses as much as digits as its factorization.

25750345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5150074.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 25750345 is about 5074.4797762923. The cubic root of 25750345 is about 295.2983479776.

The spelling of 25750345 in words is "twenty-five million, seven hundred fifty thousand, three hundred forty-five".