5445252613 has 2 divisors, whose sum is σ = 5445252614. Its totient is φ = 5445252612.

The previous prime is 5445252611. The next prime is 5445252647. The reversal of 5445252613 is 3162525445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4414007844 + 1031244769 = 66438^2 + 32113^2 .

It is a cyclic number.

It is not a de Polignac number, because 5445252613 - 2¹ = 5445252611 is a prime.

Together with 5445252611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5445252611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2722626306 + 2722626307.

It is an arithmetic number, because the mean of its divisors is an integer number (2722626307).

Almost surely, 2^5445252613 is an apocalyptic number.

It is an amenable number.

5445252613 is a deficient number, since it is larger than the sum of its proper divisors (1).

5445252613 is an equidigital number, since it uses as much as digits as its factorization.

5445252613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144000, while the sum is 37.

The square root of 5445252613 is about 73791.9549341254. The cubic root of 5445252613 is about 1759.2977368920.

The spelling of 5445252613 in words is "five billion, four hundred forty-five million, two hundred fifty-two thousand, six hundred thirteen".