25534026 has 48 divisors (see below), whose sum is σ = 63618048. Its totient is φ = 7250400.

The previous prime is 25533997. The next prime is 25534027. The reversal of 25534026 is 62043552.

25534026 is a `hidden beast` number, since 255 + 3 + 402 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (25534027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23536 + ... + 24596.

It is an arithmetic number, because the mean of its divisors is an integer number (1325376).

Almost surely, 2^25534026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25534026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31809024).

25534026 is an abundant number, since it is smaller than the sum of its proper divisors (38084022).

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

25534026 is a wasteful number, since it uses less digits than its factorization.

25534026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267 (or 1264 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 25534026 is about 5053.1204220758. The cubic root of 25534026 is about 294.4691247010.

Adding to 25534026 its reverse (62043552), we get a palindrome (87577578).

The spelling of 25534026 in words is "twenty-five million, five hundred thirty-four thousand, twenty-six".