25015252050 has 72 divisors (see below), whose sum is σ = 67249976976. Its totient is φ = 6666532320.

The previous prime is 25015252049. The next prime is 25015252051. The reversal of 25015252050 is 5025251052.

It is an interprime number because it is at equal distance from previous prime (25015252049) and next prime (25015252051).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25015252051) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 733477 + ... + 766823.

It is an arithmetic number, because the mean of its divisors is an integer number (934027458).

Almost surely, 2^25015252050 is an apocalyptic number.

25015252050 is an abundant number, since it is smaller than the sum of its proper divisors (42234724926).

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

25015252050 is a wasteful number, since it uses less digits than its factorization.

25015252050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35032 (or 35024 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The spelling of 25015252050 in words is "twenty-five billion, fifteen million, two hundred fifty-two thousand, fifty".