5020252645 has 4 divisors (see below), whose sum is σ = 6024303180. Its totient is φ = 4016202112.

The previous prime is 5020252613. The next prime is 5020252663. The reversal of 5020252645 is 5462520205.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5462520205 = 5 ⋅1092504041.

It can be written as a sum of positive squares in 2 ways, for example, as 1142575204 + 3877677441 = 33802^2 + 62271^2 .

It is a cyclic number.

It is not a de Polignac number, because 5020252645 - 2⁵ = 5020252613 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502025260 + ... + 502025269.

It is an arithmetic number, because the mean of its divisors is an integer number (1506075795).

Almost surely, 2^5020252645 is an apocalyptic number.

It is an amenable number.

5020252645 is a deficient number, since it is larger than the sum of its proper divisors (1004050535).

5020252645 is a wasteful number, since it uses less digits than its factorization.

5020252645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004050534.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 5020252645 is about 70853.7412209123. The cubic root of 5020252645 is about 1712.2816054810.

The spelling of 5020252645 in words is "five billion, twenty million, two hundred fifty-two thousand, six hundred forty-five".