5263001591 has 2 divisors, whose sum is σ = 5263001592. Its totient is φ = 5263001590.

The previous prime is 5263001581. The next prime is 5263001633. The reversal of 5263001591 is 1951003625.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5263001591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5263001521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2631500795 + 2631500796.

It is an arithmetic number, because the mean of its divisors is an integer number (2631500796).

Almost surely, 2^5263001591 is an apocalyptic number.

5263001591 is a deficient number, since it is larger than the sum of its proper divisors (1).

5263001591 is an equidigital number, since it uses as much as digits as its factorization.

5263001591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 5263001591 is about 72546.5477538387. The cubic root of 5263001591 is about 1739.4468659524.

The spelling of 5263001591 in words is "five billion, two hundred sixty-three million, one thousand, five hundred ninety-one".