25412445 has 24 divisors (see below), whose sum is σ = 44167032. Its totient is φ = 13516800.

The previous prime is 25412419. The next prime is 25412459. The reversal of 25412445 is 54421452.

It can be written as a sum of positive squares in 4 ways, for example, as 3481956 + 21930489 = 1866^2 + 4683^2 .

It is not a de Polignac number, because 25412445 - 2²¹ = 23315293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28405 + ... + 29285.

It is an arithmetic number, because the mean of its divisors is an integer number (1840293).

Almost surely, 2^25412445 is an apocalyptic number.

It is an amenable number.

25412445 is a deficient number, since it is larger than the sum of its proper divisors (18754587).

25412445 is a wasteful number, since it uses less digits than its factorization.

25412445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533 (or 1530 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 25412445 is about 5041.0757780458. The cubic root of 25412445 is about 294.0010065216.

Adding to 25412445 its reverse (54421452), we get a palindrome (79833897).

The spelling of 25412445 in words is "twenty-five million, four hundred twelve thousand, four hundred forty-five".