1316533 has 2 divisors, whose sum is σ = 1316534. Its totient is φ = 1316532.

The previous prime is 1316527. The next prime is 1316537. The reversal of 1316533 is 3356131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1162084 + 154449 = 1078^2 + 393^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1316533 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1316537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658266 + 658267.

It is an arithmetic number, because the mean of its divisors is an integer number (658267).

2^1316533 is an apocalyptic number.

It is an amenable number.

1316533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316533 is an equidigital number, since it uses as much as digits as its factorization.

1316533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 810, while the sum is 22.

The square root of 1316533 is about 1147.4027191880. The cubic root of 1316533 is about 109.6000073259.

It can be divided in two parts, 1316 and 533, that added together give a square (1849 = 43²).

The spelling of 1316533 in words is "one million, three hundred sixteen thousand, five hundred thirty-three".