1051223351 has 2 divisors, whose sum is σ = 1051223352. Its totient is φ = 1051223350.

The previous prime is 1051223347. The next prime is 1051223353. The reversal of 1051223351 is 1533221501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1051223351 - 2² = 1051223347 is a prime.

It is a super-2 number, since 2×1051223351² = 2210141067375338402, which contains 22 as substring.

Together with 1051223353, 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 (1051223353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525611675 + 525611676.

It is an arithmetic number, because the mean of its divisors is an integer number (525611676).

Almost surely, 2^1051223351 is an apocalyptic number.

1051223351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051223351 is an equidigital number, since it uses as much as digits as its factorization.

1051223351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1051223351 is about 32422.5747126905. The cubic root of 1051223351 is about 1016.7909367877.

Adding to 1051223351 its reverse (1533221501), we get a palindrome (2584444852).

The spelling of 1051223351 in words is "one billion, fifty-one million, two hundred twenty-three thousand, three hundred fifty-one".