1361953 has 2 divisors, whose sum is σ = 1361954. Its totient is φ = 1361952.

The previous prime is 1361929. The next prime is 1361957. The reversal of 1361953 is 3591631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1361889 + 64 = 1167^2 + 8^2 .

It is an emirp because it is prime and its reverse (3591631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1361953 - 2⁹ = 1361441 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680976 + 680977.

It is an arithmetic number, because the mean of its divisors is an integer number (680977).

2^1361953 is an apocalyptic number.

It is an amenable number.

1361953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361953 is an equidigital number, since it uses as much as digits as its factorization.

1361953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2430, while the sum is 28.

The square root of 1361953 is about 1167.0274204148. The cubic root of 1361953 is about 110.8461738504.

The spelling of 1361953 in words is "one million, three hundred sixty-one thousand, nine hundred fifty-three".