1405500213 has 16 divisors (see below), whose sum is σ = 2067379776. Its totient is φ = 843826560.

The previous prime is 1405500209. The next prime is 1405500253. The reversal of 1405500213 is 3120055041.

It is not a de Polignac number, because 1405500213 - 2² = 1405500209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1405500213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405500203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437895 + ... + 441092.

It is an arithmetic number, because the mean of its divisors is an integer number (129211236).

Almost surely, 2^1405500213 is an apocalyptic number.

1405500213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1405500213 is a deficient number, since it is larger than the sum of its proper divisors (661879563).

1405500213 is a wasteful number, since it uses less digits than its factorization.

1405500213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879044.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1405500213 is about 37490.0015070685. The cubic root of 1405500213 is about 1120.1520342613.

Adding to 1405500213 its reverse (3120055041), we get a palindrome (4525555254).

The spelling of 1405500213 in words is "one billion, four hundred five million, five hundred thousand, two hundred thirteen".