25430526 has 24 divisors (see below), whose sum is σ = 60108984. Its totient is φ = 7706160.

The previous prime is 25430519. The next prime is 25430543. The reversal of 25430526 is 62503452.

It is a self number, because there is not a number n which added to its sum of digits gives 25430526.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64021 + ... + 64416.

It is an arithmetic number, because the mean of its divisors is an integer number (2504541).

Almost surely, 2^25430526 is an apocalyptic number.

25430526 is an abundant number, since it is smaller than the sum of its proper divisors (34678458).

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

25430526 is a wasteful number, since it uses less digits than its factorization.

25430526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128456 (or 128453 counting only the distinct ones).

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

The square root of 25430526 is about 5042.8688263725. The cubic root of 25430526 is about 294.0707174048.

Adding to 25430526 its reverse (62503452), we get a palindrome (87933978).

The spelling of 25430526 in words is "twenty-five million, four hundred thirty thousand, five hundred twenty-six".