25481024 has 28 divisors (see below), whose sum is σ = 52311300. Its totient is φ = 12300288.

The previous prime is 25481023. The next prime is 25481047. The reversal of 25481024 is 42018452.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11343424 + 14137600 = 3368^2 + 3760^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25480984 and 25481002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25481021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5009 + ... + 8720.

Almost surely, 2^25481024 is an apocalyptic number.

It is an amenable number.

25481024 is an abundant number, since it is smaller than the sum of its proper divisors (26830276).

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

25481024 is a wasteful number, since it uses less digits than its factorization.

25481024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13770 (or 13760 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 25481024 is about 5047.8732155235. The cubic root of 25481024 is about 294.2652364459.

Adding to 25481024 its reverse (42018452), we get a palindrome (67499476).

The spelling of 25481024 in words is "twenty-five million, four hundred eighty-one thousand, twenty-four".