1415321263 has 2 divisors, whose sum is σ = 1415321264. Its totient is φ = 1415321262.

The previous prime is 1415321203. The next prime is 1415321287. The reversal of 1415321263 is 3621235141.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1415321263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1415321203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707660631 + 707660632.

It is an arithmetic number, because the mean of its divisors is an integer number (707660632).

Almost surely, 2^1415321263 is an apocalyptic number.

1415321263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1415321263 is an equidigital number, since it uses as much as digits as its factorization.

1415321263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 1415321263 is about 37620.7557473265. The cubic root of 1415321263 is about 1122.7550326848.

The spelling of 1415321263 in words is "one billion, four hundred fifteen million, three hundred twenty-one thousand, two hundred sixty-three".