25335532052 has 24 divisors (see below), whose sum is σ = 44790582312. Its totient is φ = 12538304000.

The previous prime is 25335532043. The next prime is 25335532069. The reversal of 25335532052 is 25023553352.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5294599696 + 20040932356 = 72764^2 + 141566^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1540352 + ... + 1556712.

It is an arithmetic number, because the mean of its divisors is an integer number (1866274263).

Almost surely, 2^25335532052 is an apocalyptic number.

It is an amenable number.

25335532052 is a deficient number, since it is larger than the sum of its proper divisors (19455050260).

25335532052 is a wasteful number, since it uses less digits than its factorization.

25335532052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20299 (or 20297 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 35.

The spelling of 25335532052 in words is "twenty-five billion, three hundred thirty-five million, five hundred thirty-two thousand, fifty-two".