25498476 has 72 divisors (see below), whose sum is σ = 68745040. Its totient is φ = 8258112.

The previous prime is 25498471. The next prime is 25498477. The reversal of 25498476 is 67489452.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (25498471) 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 23 ways as a sum of consecutive naturals, for example, 35610 + ... + 36318.

Almost surely, 2^25498476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25498476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34372520).

25498476 is an abundant number, since it is smaller than the sum of its proper divisors (43246564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25498476 is a wasteful number, since it uses less digits than its factorization.

25498476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 751 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 25498476 is about 5049.6015684408. The cubic root of 25498476 is about 294.3324020474.

It can be divided in two parts, 2549 and 8476, that added together give a square (11025 = 105²).

The spelling of 25498476 in words is "twenty-five million, four hundred ninety-eight thousand, four hundred seventy-six".