1363405061 has 4 divisors (see below), whose sum is σ = 1379831712. Its totient is φ = 1346978412.

The previous prime is 1363405051. The next prime is 1363405073. The reversal of 1363405061 is 1605043631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1363405061 - 2¹⁸ = 1363142917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363405031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8213201 + ... + 8213366.

It is an arithmetic number, because the mean of its divisors is an integer number (344957928).

Almost surely, 2^1363405061 is an apocalyptic number.

It is an amenable number.

1363405061 is a deficient number, since it is larger than the sum of its proper divisors (16426651).

1363405061 is an equidigital number, since it uses as much as digits as its factorization.

1363405061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16426650.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1363405061 is about 36924.3153084793. The cubic root of 1363405061 is about 1108.8555314334.

Adding to 1363405061 its reverse (1605043631), we get a palindrome (2968448692).

The spelling of 1363405061 in words is "one billion, three hundred sixty-three million, four hundred five thousand, sixty-one".