4252761917 has 2 divisors, whose sum is σ = 4252761918. Its totient is φ = 4252761916.

The previous prime is 4252761913. The next prime is 4252761967. The reversal of 4252761917 is 7191672524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3288907801 + 963854116 = 57349^2 + 31046^2 .

It is a cyclic number.

It is not a de Polignac number, because 4252761917 - 2² = 4252761913 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4252761913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2126380958 + 2126380959.

It is an arithmetic number, because the mean of its divisors is an integer number (2126380959).

Almost surely, 2^4252761917 is an apocalyptic number.

It is an amenable number.

4252761917 is a deficient number, since it is larger than the sum of its proper divisors (1).

4252761917 is an equidigital number, since it uses as much as digits as its factorization.

4252761917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 44.

The square root of 4252761917 is about 65213.2035480546. The cubic root of 4252761917 is about 1620.1567085361.

The spelling of 4252761917 in words is "four billion, two hundred fifty-two million, seven hundred sixty-one thousand, nine hundred seventeen".