25232545 has 16 divisors (see below), whose sum is σ = 32815440. Its totient is φ = 18625152.

The previous prime is 25232533. The next prime is 25232567. The reversal of 25232545 is 54523252.

It can be written as a sum of positive squares in 8 ways, for example, as 19298449 + 5934096 = 4393^2 + 2436^2 .

It is not a de Polignac number, because 25232545 - 2¹⁷ = 25101473 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9837 + ... + 12133.

It is an arithmetic number, because the mean of its divisors is an integer number (2050965).

Almost surely, 2^25232545 is an apocalyptic number.

It is an amenable number.

25232545 is a deficient number, since it is larger than the sum of its proper divisors (7582895).

25232545 is an equidigital number, since it uses as much as digits as its factorization.

25232545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341 (or 2315 counting only the distinct ones).

The product of its digits is 12000, while the sum is 28.

The square root of 25232545 is about 5023.2006728778. The cubic root of 25232545 is about 293.3055981295.

Adding to 25232545 its reverse (54523252), we get a palindrome (79755797).

The spelling of 25232545 in words is "twenty-five million, two hundred thirty-two thousand, five hundred forty-five".