1256230363 has 2 divisors, whose sum is σ = 1256230364. Its totient is φ = 1256230362.

The previous prime is 1256230321. The next prime is 1256230403. The reversal of 1256230363 is 3630326521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1256230363 is a prime.

It is a super-2 number, since 2×1256230363² = 3156229449846223538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1256230303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628115181 + 628115182.

It is an arithmetic number, because the mean of its divisors is an integer number (628115182).

Almost surely, 2^1256230363 is an apocalyptic number.

1256230363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1256230363 is an equidigital number, since it uses as much as digits as its factorization.

1256230363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 1256230363 is about 35443.3401783748. The cubic root of 1256230363 is about 1079.0041010826.

Adding to 1256230363 its reverse (3630326521), we get a palindrome (4886556884).

The spelling of 1256230363 in words is "one billion, two hundred fifty-six million, two hundred thirty thousand, three hundred sixty-three".