1332649061 has 2 divisors, whose sum is σ = 1332649062. Its totient is φ = 1332649060.

The previous prime is 1332649027. The next prime is 1332649081. The reversal of 1332649061 is 1609462331.

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., 1070532961 + 262116100 = 32719^2 + 16190^2 .

It is an emirp because it is prime and its reverse (1609462331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1332649061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1332649081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666324530 + 666324531.

It is an arithmetic number, because the mean of its divisors is an integer number (666324531).

Almost surely, 2^1332649061 is an apocalyptic number.

It is an amenable number.

1332649061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1332649061 is an equidigital number, since it uses as much as digits as its factorization.

1332649061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 1332649061 is about 36505.4661797381. The cubic root of 1332649061 is about 1100.4540992909.

The spelling of 1332649061 in words is "one billion, three hundred thirty-two million, six hundred forty-nine thousand, sixty-one".