25325537 has 8 divisors (see below), whose sum is σ = 26919360. Its totient is φ = 23757840.

The previous prime is 25325533. The next prime is 25325549. The reversal of 25325537 is 73552352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25325537 - 2² = 25325533 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25325533) 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 in 7 ways as a sum of consecutive naturals, for example, 4514 + ... + 8427.

It is an arithmetic number, because the mean of its divisors is an integer number (3364920).

Almost surely, 2^25325537 is an apocalyptic number.

It is an amenable number.

25325537 is a deficient number, since it is larger than the sum of its proper divisors (1593823).

25325537 is a wasteful number, since it uses less digits than its factorization.

25325537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13063.

The product of its digits is 31500, while the sum is 32.

The square root of 25325537 is about 5032.4484100684. The cubic root of 25325537 is about 293.6654724651.

Adding to 25325537 its reverse (73552352), we get a palindrome (98877889).

The spelling of 25325537 in words is "twenty-five million, three hundred twenty-five thousand, five hundred thirty-seven".