25201503532 has 6 divisors (see below), whose sum is σ = 44102631188. Its totient is φ = 12600751764.

The previous prime is 25201503491. The next prime is 25201503577. The reversal of 25201503532 is 23530510252.

It is a self number, because there is not a number n which added to its sum of digits gives 25201503532.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3150187938 + ... + 3150187945.

Almost surely, 2^25201503532 is an apocalyptic number.

It is an amenable number.

25201503532 is a deficient number, since it is larger than the sum of its proper divisors (18901127656).

25201503532 is a wasteful number, since it uses less digits than its factorization.

25201503532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6300375887 (or 6300375885 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 25201503532 in words is "twenty-five billion, two hundred one million, five hundred three thousand, five hundred thirty-two".