245401251315250 has 64 divisors (see below), whose sum is σ = 463847329999872. Its totient is φ = 97212661704000.

The previous prime is 245401251315247. The next prime is 245401251315281. The reversal of 245401251315250 is 52513152104542.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 469464 + ... + 22159036.

It is an arithmetic number, because the mean of its divisors is an integer number (7247614531248).

Almost surely, 2^{245401251315250} is an apocalyptic number.

245401251315250 is a deficient number, since it is larger than the sum of its proper divisors (218446078684622).

245401251315250 is a wasteful number, since it uses less digits than its factorization.

245401251315250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21690028 (or 21690018 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 245401251315250 in words is "two hundred forty-five trillion, four hundred one billion, two hundred fifty-one million, three hundred fifteen thousand, two hundred fifty".