25245436 has 6 divisors (see below), whose sum is σ = 44179520. Its totient is φ = 12622716.

The previous prime is 25245431. The next prime is 25245491. The reversal of 25245436 is 63454252.

It is a junction number, because it is equal to n+sod(n) for n = 25245398 and 25245407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25245431) by changing a digit.

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 as a sum of consecutive naturals, namely, 3155676 + ... + 3155683.

Almost surely, 2^25245436 is an apocalyptic number.

It is an amenable number.

25245436 is a deficient number, since it is larger than the sum of its proper divisors (18934084).

25245436 is a wasteful number, since it uses less digits than its factorization.

25245436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6311363 (or 6311361 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 25245436 is about 5024.4836550635. The cubic root of 25245436 is about 293.3555383787.

Adding to 25245436 its reverse (63454252), we get a palindrome (88699688).

The spelling of 25245436 in words is "twenty-five million, two hundred forty-five thousand, four hundred thirty-six".