1051620959 has 2 divisors, whose sum is σ = 1051620960. Its totient is φ = 1051620958.

The previous prime is 1051620953. The next prime is 1051620961. The reversal of 1051620959 is 9590261501.

It is a strong prime.

It is an emirp because it is prime and its reverse (9590261501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1051620959 is a prime.

It is a super-2 number, since 2×1051620959² = 2211813282816159362, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1051620961, 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 (1051620953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525810479 + 525810480.

It is an arithmetic number, because the mean of its divisors is an integer number (525810480).

Almost surely, 2^1051620959 is an apocalyptic number.

1051620959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051620959 is an equidigital number, since it uses as much as digits as its factorization.

1051620959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 38.

The square root of 1051620959 is about 32428.7057866946. The cubic root of 1051620959 is about 1016.9191154632.

The spelling of 1051620959 in words is "one billion, fifty-one million, six hundred twenty thousand, nine hundred fifty-nine".