1453223561 has 2 divisors, whose sum is σ = 1453223562. Its totient is φ = 1453223560.

The previous prime is 1453223533. The next prime is 1453223567. The reversal of 1453223561 is 1653223541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1001406025 + 451817536 = 31645^2 + 21256^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1453223561 is a prime.

It is a super-2 number, since 2×1453223561² = 4223717436491041442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1453223567) 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, 726611780 + 726611781.

It is an arithmetic number, because the mean of its divisors is an integer number (726611781).

Almost surely, 2^1453223561 is an apocalyptic number.

It is an amenable number.

1453223561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1453223561 is an equidigital number, since it uses as much as digits as its factorization.

1453223561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 32.

The square root of 1453223561 is about 38121.1694600258. The cubic root of 1453223561 is about 1132.6893318076.

The spelling of 1453223561 in words is "one billion, four hundred fifty-three million, two hundred twenty-three thousand, five hundred sixty-one".