5645253157 has 2 divisors, whose sum is σ = 5645253158. Its totient is φ = 5645253156.

The previous prime is 5645253083. The next prime is 5645253169. The reversal of 5645253157 is 7513525465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5604917956 + 40335201 = 74866^2 + 6351^2 .

It is a cyclic number.

It is not a de Polignac number, because 5645253157 - 2²³ = 5636864549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5645253557) by changing a digit.

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 as a sum of consecutive naturals, namely, 2822626578 + 2822626579.

It is an arithmetic number, because the mean of its divisors is an integer number (2822626579).

Almost surely, 2^5645253157 is an apocalyptic number.

It is an amenable number.

5645253157 is a deficient number, since it is larger than the sum of its proper divisors (1).

5645253157 is an equidigital number, since it uses as much as digits as its factorization.

5645253157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 630000, while the sum is 43.

The square root of 5645253157 is about 75134.8997270909. The cubic root of 5645253157 is about 1780.5785642925.

The spelling of 5645253157 in words is "five billion, six hundred forty-five million, two hundred fifty-three thousand, one hundred fifty-seven".