1382552881 has 2 divisors, whose sum is σ = 1382552882. Its totient is φ = 1382552880.

The previous prime is 1382552869. The next prime is 1382552903. The reversal of 1382552881 is 1882552831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1204090000 + 178462881 = 34700^2 + 13359^2 .

It is a cyclic number.

It is not a de Polignac number, because 1382552881 - 2¹¹ = 1382550833 is a prime.

It is a super-2 number, since 2×1382552881² = 3822904937522800322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1382552981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691276440 + 691276441.

It is an arithmetic number, because the mean of its divisors is an integer number (691276441).

Almost surely, 2^1382552881 is an apocalyptic number.

It is an amenable number.

1382552881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1382552881 is an equidigital number, since it uses as much as digits as its factorization.

1382552881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 153600, while the sum is 43.

The square root of 1382552881 is about 37182.6959888602. The cubic root of 1382552881 is about 1114.0223839898.

The spelling of 1382552881 in words is "one billion, three hundred eighty-two million, five hundred fifty-two thousand, eight hundred eighty-one".