1382292881 has 2 divisors, whose sum is σ = 1382292882. Its totient is φ = 1382292880.

The previous prime is 1382292851. The next prime is 1382292907. The reversal of 1382292881 is 1882922831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 991242256 + 391050625 = 31484^2 + 19775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1382292881 is a prime.

It is a super-2 number, since 2×1382292881² = 3821467217726560322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1382292811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691146440 + 691146441.

It is an arithmetic number, because the mean of its divisors is an integer number (691146441).

Almost surely, 2^1382292881 is an apocalyptic number.

It is an amenable number.

1382292881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1382292881 is an equidigital number, since it uses as much as digits as its factorization.

1382292881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 44.

The square root of 1382292881 is about 37179.1995744933. The cubic root of 1382292881 is about 1113.9525460395.

The spelling of 1382292881 in words is "one billion, three hundred eighty-two million, two hundred ninety-two thousand, eight hundred eighty-one".