25340550 has 24 divisors (see below), whose sum is σ = 62844936. Its totient is φ = 6757440.

The previous prime is 25340507. The next prime is 25340551. The reversal of 25340550 is 5504352.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 25340550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25340551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84319 + ... + 84618.

It is an arithmetic number, because the mean of its divisors is an integer number (2618539).

Almost surely, 2^25340550 is an apocalyptic number.

25340550 is an abundant number, since it is smaller than the sum of its proper divisors (37504386).

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

25340550 is a wasteful number, since it uses less digits than its factorization.

25340550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168952 (or 168947 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 25340550 is about 5033.9398089369. The cubic root of 25340550 is about 293.7234893836.

The spelling of 25340550 in words is "twenty-five million, three hundred forty thousand, five hundred fifty".