1405361063 has 4 divisors (see below), whose sum is σ = 1422293208. Its totient is φ = 1388428920.

The previous prime is 1405361039. The next prime is 1405361071. The reversal of 1405361063 is 3601635041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1405361063 - 2²⁰ = 1404312487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405361263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8465948 + ... + 8466113.

It is an arithmetic number, because the mean of its divisors is an integer number (355573302).

Almost surely, 2^1405361063 is an apocalyptic number.

1405361063 is a deficient number, since it is larger than the sum of its proper divisors (16932145).

1405361063 is an equidigital number, since it uses as much as digits as its factorization.

1405361063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16932144.

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

The square root of 1405361063 is about 37488.1456329864. The cubic root of 1405361063 is about 1120.1150665686.

The spelling of 1405361063 in words is "one billion, four hundred five million, three hundred sixty-one thousand, sixty-three".