25498347 has 16 divisors (see below), whose sum is σ = 39325440. Its totient is φ = 14393952.

The previous prime is 25498307. The next prime is 25498349. The reversal of 25498347 is 74389452.

It is not a de Polignac number, because 25498347 - 2⁷ = 25498219 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 25498299 and 25498308.

It is not an unprimeable number, because it can be changed into a prime (25498349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5572 + ... + 9057.

It is an arithmetic number, because the mean of its divisors is an integer number (2457840).

Almost surely, 2^25498347 is an apocalyptic number.

25498347 is a deficient number, since it is larger than the sum of its proper divisors (13827093).

25498347 is a wasteful number, since it uses less digits than its factorization.

25498347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14722.

The product of its digits is 241920, while the sum is 42.

The square root of 25498347 is about 5049.5887951397. The cubic root of 25498347 is about 294.3319056917.

The spelling of 25498347 in words is "twenty-five million, four hundred ninety-eight thousand, three hundred forty-seven".