7257670531 has 2 divisors, whose sum is σ = 7257670532. Its totient is φ = 7257670530.

The previous prime is 7257670457. The next prime is 7257670543. The reversal of 7257670531 is 1350767527.

It is a strong prime.

It is an emirp because it is prime and its reverse (1350767527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7257670531 - 2⁷ = 7257670403 is a prime.

It is a super-2 number, since 2×7257670531² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7257670831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3628835265 + 3628835266.

It is an arithmetic number, because the mean of its divisors is an integer number (3628835266).

Almost surely, 2^7257670531 is an apocalyptic number.

7257670531 is a deficient number, since it is larger than the sum of its proper divisors (1).

7257670531 is an equidigital number, since it uses as much as digits as its factorization.

7257670531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 308700, while the sum is 43.

The square root of 7257670531 is about 85191.9628310089. The cubic root of 7257670531 is about 1936.1206470751.

The spelling of 7257670531 in words is "seven billion, two hundred fifty-seven million, six hundred seventy thousand, five hundred thirty-one".