1075624681 has 2 divisors, whose sum is σ = 1075624682. Its totient is φ = 1075624680.

The previous prime is 1075624621. The next prime is 1075624687. The reversal of 1075624681 is 1864265701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1013467225 + 62157456 = 31835^2 + 7884^2 .

It is a cyclic number.

It is not a de Polignac number, because 1075624681 - 2⁹ = 1075624169 is a prime.

It is a super-3 number, since 3×1075624681³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1075624687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537812340 + 537812341.

It is an arithmetic number, because the mean of its divisors is an integer number (537812341).

Almost surely, 2^1075624681 is an apocalyptic number.

It is an amenable number.

1075624681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1075624681 is an equidigital number, since it uses as much as digits as its factorization.

1075624681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 1075624681 is about 32796.7175339240. The cubic root of 1075624681 is about 1024.5981946028.

The spelling of 1075624681 in words is "one billion, seventy-five million, six hundred twenty-four thousand, six hundred eighty-one".