25752745 has 4 divisors (see below), whose sum is σ = 30903300. Its totient is φ = 20602192.

The previous prime is 25752731. The next prime is 25752751. The reversal of 25752745 is 54725752.

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 8020224 + 17732521 = 2832^2 + 4211^2 .

It is a cyclic number.

It is not a de Polignac number, because 25752745 - 2¹⁹ = 25228457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2575270 + ... + 2575279.

It is an arithmetic number, because the mean of its divisors is an integer number (7725825).

Almost surely, 2^25752745 is an apocalyptic number.

It is an amenable number.

25752745 is a deficient number, since it is larger than the sum of its proper divisors (5150555).

25752745 is an equidigital number, since it uses as much as digits as its factorization.

25752745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5150554.

The product of its digits is 98000, while the sum is 37.

The square root of 25752745 is about 5074.7162482251. The cubic root of 25752745 is about 295.3075218873.

The spelling of 25752745 in words is "twenty-five million, seven hundred fifty-two thousand, seven hundred forty-five".