1051613531 has 2 divisors, whose sum is σ = 1051613532. Its totient is φ = 1051613530.

The previous prime is 1051613509. The next prime is 1051613533. The reversal of 1051613531 is 1353161501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1051613531 - 2¹⁸ = 1051351387 is a prime.

It is a super-2 number, since 2×1051613531² = 2211782037164575922, which contains 22 as substring.

Together with 1051613533, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1051613531.

It is not a weakly prime, because it can be changed into another prime (1051613533) 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, 525806765 + 525806766.

It is an arithmetic number, because the mean of its divisors is an integer number (525806766).

Almost surely, 2^1051613531 is an apocalyptic number.

1051613531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051613531 is an equidigital number, since it uses as much as digits as its factorization.

1051613531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 1051613531 is about 32428.5912583325. The cubic root of 1051613531 is about 1016.9167211617.

The spelling of 1051613531 in words is "one billion, fifty-one million, six hundred thirteen thousand, five hundred thirty-one".