1051153391 has 2 divisors, whose sum is σ = 1051153392. Its totient is φ = 1051153390.

The previous prime is 1051153373. The next prime is 1051153423. The reversal of 1051153391 is 1933511501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1051153391 - 2²² = 1046959087 is a prime.

It is a super-3 number, since 3×1051153391³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1051153351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525576695 + 525576696.

It is an arithmetic number, because the mean of its divisors is an integer number (525576696).

Almost surely, 2^1051153391 is an apocalyptic number.

1051153391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051153391 is an equidigital number, since it uses as much as digits as its factorization.

1051153391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2025, while the sum is 29.

The square root of 1051153391 is about 32421.4958168188. The cubic root of 1051153391 is about 1016.7683801249.

Adding to 1051153391 its reverse (1933511501), we get a palindrome (2984664892).

The spelling of 1051153391 in words is "one billion, fifty-one million, one hundred fifty-three thousand, three hundred ninety-one".