1332899261 has 2 divisors, whose sum is σ = 1332899262. Its totient is φ = 1332899260.

The previous prime is 1332899257. The next prime is 1332899303. The reversal of 1332899261 is 1629982331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1156408036 + 176491225 = 34006^2 + 13285^2 .

It is a cyclic number.

It is not a de Polignac number, because 1332899261 - 2² = 1332899257 is a prime.

It is a super-2 number, since 2×1332899261² = 3553240879948692242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1332899201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666449630 + 666449631.

It is an arithmetic number, because the mean of its divisors is an integer number (666449631).

Almost surely, 2^1332899261 is an apocalyptic number.

It is an amenable number.

1332899261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1332899261 is an equidigital number, since it uses as much as digits as its factorization.

1332899261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 44.

The square root of 1332899261 is about 36508.8929029627. The cubic root of 1332899261 is about 1100.5229637291.

The spelling of 1332899261 in words is "one billion, three hundred thirty-two million, eight hundred ninety-nine thousand, two hundred sixty-one".