25500497 has 8 divisors (see below), whose sum is σ = 27864000. Its totient is φ = 23144560.

The previous prime is 25500487. The next prime is 25500509. The reversal of 25500497 is 79400552.

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 25500497 - 2¹⁶ = 25434961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25500407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7004 + ... + 10002.

It is an arithmetic number, because the mean of its divisors is an integer number (3483000).

Almost surely, 2^25500497 is an apocalyptic number.

It is an amenable number.

25500497 is a deficient number, since it is larger than the sum of its proper divisors (2363503).

25500497 is a wasteful number, since it uses less digits than its factorization.

25500497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 25500497 is about 5049.8016792741. The cubic root of 25500497 is about 294.3401780686.

The spelling of 25500497 in words is "twenty-five million, five hundred thousand, four hundred ninety-seven".