1353881 has 2 divisors, whose sum is σ = 1353882. Its totient is φ = 1353880.

The previous prime is 1353857. The next prime is 1353887. The reversal of 1353881 is 1883531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1345600 + 8281 = 1160^2 + 91^2 .

It is a cyclic number.

It is not a de Polignac number, because 1353881 - 2¹⁸ = 1091737 is a prime.

It is a super-2 number, since 2×1353881² = 3665987524322, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1353887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676940 + 676941.

It is an arithmetic number, because the mean of its divisors is an integer number (676941).

2^1353881 is an apocalyptic number.

It is an amenable number.

1353881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353881 is an equidigital number, since it uses as much as digits as its factorization.

1353881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 29.

The square root of 1353881 is about 1163.5639217508. The cubic root of 1353881 is about 110.6267527146.

The spelling of 1353881 in words is "one million, three hundred fifty-three thousand, eight hundred eighty-one".