1406516213 has 2 divisors, whose sum is σ = 1406516214. Its totient is φ = 1406516212.

The previous prime is 1406516207. The next prime is 1406516231. The reversal of 1406516213 is 3126156041.

It is a happy number.

Together with next prime (1406516231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1397413924 + 9102289 = 37382^2 + 3017^2 .

It is an emirp because it is prime and its reverse (3126156041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1406516213 - 2⁶ = 1406516149 is a prime.

It is a super-2 number, since 2×1406516213² = 3956575714863722738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406516273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703258106 + 703258107.

It is an arithmetic number, because the mean of its divisors is an integer number (703258107).

Almost surely, 2^1406516213 is an apocalyptic number.

It is an amenable number.

1406516213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406516213 is an equidigital number, since it uses as much as digits as its factorization.

1406516213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1406516213 is about 37503.5493386959. The cubic root of 1406516213 is about 1120.4218789610.

The spelling of 1406516213 in words is "one billion, four hundred six million, five hundred sixteen thousand, two hundred thirteen".