25330745 has 24 divisors (see below), whose sum is σ = 33755400. Its totient is φ = 18233600.

The previous prime is 25330733. The next prime is 25330759. The reversal of 25330745 is 54703352.

It can be written as a sum of positive squares in 4 ways, for example, as 937024 + 24393721 = 968^2 + 4939^2 .

It is not a de Polignac number, because 25330745 - 2¹⁰ = 25329721 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90005 + ... + 90285.

It is an arithmetic number, because the mean of its divisors is an integer number (1406475).

Almost surely, 2^25330745 is an apocalyptic number.

It is an amenable number.

25330745 is a deficient number, since it is larger than the sum of its proper divisors (8424655).

25330745 is a wasteful number, since it uses less digits than its factorization.

25330745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 25330745 is about 5032.9658254353. The cubic root of 25330745 is about 293.6856010933.

It can be divided in two parts, 253307 and 45, that added together give a palindrome (253352).

The spelling of 25330745 in words is "twenty-five million, three hundred thirty thousand, seven hundred forty-five".