3244263157 has 2 divisors, whose sum is σ = 3244263158. Its totient is φ = 3244263156.

The previous prime is 3244263151. The next prime is 3244263179. The reversal of 3244263157 is 7513624423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1823802436 + 1420460721 = 42706^2 + 37689^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3244263157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3244263151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1622131578 + 1622131579.

It is an arithmetic number, because the mean of its divisors is an integer number (1622131579).

Almost surely, 2^3244263157 is an apocalyptic number.

It is an amenable number.

3244263157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3244263157 is an equidigital number, since it uses as much as digits as its factorization.

3244263157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 37.

The square root of 3244263157 is about 56958.4335897679. The cubic root of 3244263157 is about 1480.3759631970.

The spelling of 3244263157 in words is "three billion, two hundred forty-four million, two hundred sixty-three thousand, one hundred fifty-seven".