25350021052 has 12 divisors (see below), whose sum is σ = 45199566216. Its totient is φ = 12435859280.

The previous prime is 25350021049. The next prime is 25350021091. The reversal of 25350021052 is 25012005352.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59787574 + ... + 59787997.

It is an arithmetic number, because the mean of its divisors is an integer number (3766630518).

Almost surely, 2^25350021052 is an apocalyptic number.

It is an amenable number.

25350021052 is a deficient number, since it is larger than the sum of its proper divisors (19849545164).

25350021052 is a wasteful number, since it uses less digits than its factorization.

25350021052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119575628 (or 119575626 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The spelling of 25350021052 in words is "twenty-five billion, three hundred fifty million, twenty-one thousand, fifty-two".