3125636245 has 32 divisors (see below), whose sum is σ = 3886945920. Its totient is φ = 2411458560.

The previous prime is 3125636209. The next prime is 3125636251. The reversal of 3125636245 is 5426365213.

It is not a de Polignac number, because 3125636245 - 2¹³ = 3125628053 is a prime.

It is a congruent number.

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 in 31 ways as a sum of consecutive naturals, for example, 9274717 + ... + 9275053.

It is an arithmetic number, because the mean of its divisors is an integer number (121467060).

Almost surely, 2^3125636245 is an apocalyptic number.

It is an amenable number.

3125636245 is a deficient number, since it is larger than the sum of its proper divisors (761309675).

3125636245 is a wasteful number, since it uses less digits than its factorization.

3125636245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805.

The product of its digits is 129600, while the sum is 37.

The square root of 3125636245 is about 55907.3898961488. The cubic root of 3125636245 is about 1462.1080832623.

The spelling of 3125636245 in words is "three billion, one hundred twenty-five million, six hundred thirty-six thousand, two hundred forty-five".