1420313533 has 2 divisors, whose sum is σ = 1420313534. Its totient is φ = 1420313532.

The previous prime is 1420313519. The next prime is 1420313551. The reversal of 1420313533 is 3353130241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1383988804 + 36324729 = 37202^2 + 6027^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1420313533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1420313498 and 1420313507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420313563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710156766 + 710156767.

It is an arithmetic number, because the mean of its divisors is an integer number (710156767).

Almost surely, 2^1420313533 is an apocalyptic number.

It is an amenable number.

1420313533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420313533 is an equidigital number, since it uses as much as digits as its factorization.

1420313533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 1420313533 is about 37687.0472841797. The cubic root of 1420313533 is about 1124.0735834626.

Adding to 1420313533 its reverse (3353130241), we get a palindrome (4773443774).

The spelling of 1420313533 in words is "one billion, four hundred twenty million, three hundred thirteen thousand, five hundred thirty-three".