1332780497 has 4 divisors (see below), whose sum is σ = 1332963840. Its totient is φ = 1332597156.

The previous prime is 1332780487. The next prime is 1332780499. The reversal of 1332780497 is 7940872331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1332780497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1332780499) 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 in 3 ways as a sum of consecutive naturals, for example, 80297 + ... + 95462.

It is an arithmetic number, because the mean of its divisors is an integer number (333240960).

Almost surely, 2^1332780497 is an apocalyptic number.

It is an amenable number.

1332780497 is a deficient number, since it is larger than the sum of its proper divisors (183343).

1332780497 is an equidigital number, since it uses as much as digits as its factorization.

1332780497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183342.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 1332780497 is about 36507.2663589045. The cubic root of 1332780497 is about 1100.4902764897.

The spelling of 1332780497 in words is "one billion, three hundred thirty-two million, seven hundred eighty thousand, four hundred ninety-seven".