245316573252 has 36 divisors (see below), whose sum is σ = 620125777180. Its totient is φ = 81769554432.

The previous prime is 245316573251. The next prime is 245316573253. The reversal of 245316573252 is 252375613542.

245316573252 is a `hidden beast` number, since 2 + 4 + 5 + 316 + 5 + 7 + 325 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (245316573251) and next prime (245316573253).

It can be written as a sum of positive squares in 2 ways, for example, as 198502327296 + 46814245956 = 445536^2 + 216366^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×245316573252² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245316573198 and 245316573207.

It is not an unprimeable number, because it can be changed into a prime (245316573251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1254108 + ... + 1436460.

Almost surely, 2^245316573252 is an apocalyptic number.

It is an amenable number.

245316573252 is an abundant number, since it is smaller than the sum of its proper divisors (374809203928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245316573252 is a wasteful number, since it uses less digits than its factorization.

245316573252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219732 (or 219727 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 45.

The spelling of 245316573252 in words is "two hundred forty-five billion, three hundred sixteen million, five hundred seventy-three thousand, two hundred fifty-two".