25345606 has 48 divisors (see below), whose sum is σ = 47670768. Its totient is φ = 9984000.

The previous prime is 25345603. The next prime is 25345637. The reversal of 25345606 is 60654352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25345603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63006 + ... + 63406.

It is an arithmetic number, because the mean of its divisors is an integer number (993141).

Almost surely, 2^25345606 is an apocalyptic number.

25345606 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

25345606 is a deficient number, since it is larger than the sum of its proper divisors (22325162).

25345606 is a wasteful number, since it uses less digits than its factorization.

25345606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 25345606 is about 5034.4419750356. The cubic root of 25345606 is about 293.7430228613.

Adding to 25345606 its reverse (60654352), we get a palindrome (85999958).

The spelling of 25345606 in words is "twenty-five million, three hundred forty-five thousand, six hundred six".