25455252502 has 8 divisors (see below), whose sum is σ = 38200719312. Its totient is φ = 12721679400.

The previous prime is 25455252469. The next prime is 25455252521. The reversal of 25455252502 is 20525255452.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2968074 + ... + 2976637.

It is an arithmetic number, because the mean of its divisors is an integer number (4775089914).

Almost surely, 2^25455252502 is an apocalyptic number.

25455252502 is a deficient number, since it is larger than the sum of its proper divisors (12745466810).

25455252502 is a wasteful number, since it uses less digits than its factorization.

25455252502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5946854.

The product of its (nonzero) digits is 200000, while the sum is 37.

The spelling of 25455252502 in words is "twenty-five billion, four hundred fifty-five million, two hundred fifty-two thousand, five hundred two".