7875064531 has 2 divisors, whose sum is σ = 7875064532. Its totient is φ = 7875064530.

The previous prime is 7875064523. The next prime is 7875064573. The reversal of 7875064531 is 1354605787.

It is a weak prime.

It is an emirp because it is prime and its reverse (1354605787) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7875064531 - 2³ = 7875064523 is a prime.

It is a super-2 number, since 2×7875064531² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7875065531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3937532265 + 3937532266.

It is an arithmetic number, because the mean of its divisors is an integer number (3937532266).

Almost surely, 2^7875064531 is an apocalyptic number.

7875064531 is a deficient number, since it is larger than the sum of its proper divisors (1).

7875064531 is an equidigital number, since it uses as much as digits as its factorization.

7875064531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 705600, while the sum is 46.

The square root of 7875064531 is about 88741.5603367441. The cubic root of 7875064531 is about 1989.5340382728.

The spelling of 7875064531 in words is "seven billion, eight hundred seventy-five million, sixty-four thousand, five hundred thirty-one".