5215306745 has 8 divisors (see below), whose sum is σ = 6827310720. Its totient is φ = 3792950320.

The previous prime is 5215306721. The next prime is 5215306763. The reversal of 5215306745 is 5476035125.

It is a happy number.

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

It is not a de Polignac number, because 5215306745 - 2¹⁰ = 5215305721 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5215306699 and 5215306708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47411825 + ... + 47411934.

It is an arithmetic number, because the mean of its divisors is an integer number (853413840).

Almost surely, 2^5215306745 is an apocalyptic number.

5215306745 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5215306745 is a deficient number, since it is larger than the sum of its proper divisors (1612003975).

5215306745 is a wasteful number, since it uses less digits than its factorization.

5215306745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94823775.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 5215306745 is about 72217.0807011748. The cubic root of 5215306745 is about 1734.1764558461.

The spelling of 5215306745 in words is "five billion, two hundred fifteen million, three hundred six thousand, seven hundred forty-five".