245200032505 has 16 divisors (see below), whose sum is σ = 297572259600. Its totient is φ = 193938933760.

The previous prime is 245200032487. The next prime is 245200032521. The reversal of 245200032505 is 505230002542.

It can be written as a sum of positive squares in 8 ways, for example, as 370023696 + 244830008809 = 19236^2 + 494803^2 .

It is not a de Polignac number, because 245200032505 - 2¹⁷ = 245199901433 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8114625 + ... + 8144785.

It is an arithmetic number, because the mean of its divisors is an integer number (18598266225).

Almost surely, 2^245200032505 is an apocalyptic number.

It is an amenable number.

245200032505 is a deficient number, since it is larger than the sum of its proper divisors (52372227095).

245200032505 is a wasteful number, since it uses less digits than its factorization.

245200032505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48524.

The product of its (nonzero) digits is 12000, while the sum is 28.

The spelling of 245200032505 in words is "two hundred forty-five billion, two hundred million, thirty-two thousand, five hundred five".