7095221531 has 2 divisors, whose sum is σ = 7095221532. Its totient is φ = 7095221530.

The previous prime is 7095221477. The next prime is 7095221533. The reversal of 7095221531 is 1351225907.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7095221531 - 2¹⁰ = 7095220507 is a prime.

It is a super-2 number, since 2×7095221531² (a number of 21 digits) contains 22 as substring.

Together with 7095221533, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 7095221491 and 7095221500.

It is not a weakly prime, because it can be changed into another prime (7095221533) 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, 3547610765 + 3547610766.

It is an arithmetic number, because the mean of its divisors is an integer number (3547610766).

Almost surely, 2^7095221531 is an apocalyptic number.

7095221531 is a deficient number, since it is larger than the sum of its proper divisors (1).

7095221531 is an equidigital number, since it uses as much as digits as its factorization.

7095221531 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 7095221531 is about 84233.1379624433. The cubic root of 7095221531 is about 1921.5660626861.

The spelling of 7095221531 in words is "seven billion, ninety-five million, two hundred twenty-one thousand, five hundred thirty-one".