1061504999 has 2 divisors, whose sum is σ = 1061505000. Its totient is φ = 1061504998.

The previous prime is 1061504971. The next prime is 1061505001. The reversal of 1061504999 is 9994051601.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1061504999 is a prime.

It is a super-2 number, since 2×1061504999² = 2253585725803980002, which contains 22 as substring.

Together with 1061505001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1061504959) 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, 530752499 + 530752500.

It is an arithmetic number, because the mean of its divisors is an integer number (530752500).

Almost surely, 2^1061504999 is an apocalyptic number.

1061504999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061504999 is an equidigital number, since it uses as much as digits as its factorization.

1061504999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 1061504999 is about 32580.7458324698. The cubic root of 1061504999 is about 1020.0951465133.

The spelling of 1061504999 in words is "one billion, sixty-one million, five hundred four thousand, nine hundred ninety-nine".