1325247763 has 4 divisors (see below), whose sum is σ = 1514568880. Its totient is φ = 1135926648.

The previous prime is 1325247757. The next prime is 1325247769. The reversal of 1325247763 is 3677425231.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1325247757) and next prime (1325247769).

It is a cyclic number.

It is not a de Polignac number, because 1325247763 - 2⁹ = 1325247251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1325247769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94660548 + ... + 94660561.

It is an arithmetic number, because the mean of its divisors is an integer number (378642220).

Almost surely, 2^1325247763 is an apocalyptic number.

1325247763 is a deficient number, since it is larger than the sum of its proper divisors (189321117).

1325247763 is an equidigital number, since it uses as much as digits as its factorization.

1325247763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189321116.

The product of its digits is 211680, while the sum is 40.

The square root of 1325247763 is about 36403.9525738621. The cubic root of 1325247763 is about 1098.4130734126.

The spelling of 1325247763 in words is "one billion, three hundred twenty-five million, two hundred forty-seven thousand, seven hundred sixty-three".