25052730 has 32 divisors (see below), whose sum is σ = 63664704. Its totient is φ = 6287616.

The previous prime is 25052719. The next prime is 25052749. The reversal of 25052730 is 3725052.

It is a self number, because there is not a number n which added to its sum of digits gives 25052730.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24052 + ... + 25071.

It is an arithmetic number, because the mean of its divisors is an integer number (1989522).

Almost surely, 2^25052730 is an apocalyptic number.

25052730 is an abundant number, since it is smaller than the sum of its proper divisors (38611974).

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

25052730 is a wasteful number, since it uses less digits than its factorization.

25052730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49150.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 25052730 is about 5005.2702224755. The cubic root of 25052730 is about 292.6072073959.

Adding to 25052730 its reverse (3725052), we get a palindrome (28777782).

The spelling of 25052730 in words is "twenty-five million, fifty-two thousand, seven hundred thirty".