7152920531 has 2 divisors, whose sum is σ = 7152920532. Its totient is φ = 7152920530.

The previous prime is 7152920513. The next prime is 7152920587. The reversal of 7152920531 is 1350292517.

Together with previous prime (7152920513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7152920531 is a prime.

It is a super-2 number, since 2×7152920531² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 7152920491 and 7152920500.

It is not a weakly prime, because it can be changed into another prime (7152922531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3576460265 + 3576460266.

It is an arithmetic number, because the mean of its divisors is an integer number (3576460266).

Almost surely, 2^7152920531 is an apocalyptic number.

7152920531 is a deficient number, since it is larger than the sum of its proper divisors (1).

7152920531 is an equidigital number, since it uses as much as digits as its factorization.

7152920531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 7152920531 is about 84574.9403251341. The cubic root of 7152920531 is about 1926.7607912128.

The spelling of 7152920531 in words is "seven billion, one hundred fifty-two million, nine hundred twenty thousand, five hundred thirty-one".