212150513 has 2 divisors, whose sum is σ = 212150514. Its totient is φ = 212150512.

The previous prime is 212150503. The next prime is 212150569. The reversal of 212150513 is 315051212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195077089 + 17073424 = 13967^2 + 4132^2 .

It is a cyclic number.

It is not a de Polignac number, because 212150513 - 2²² = 207956209 is a prime.

It is not a weakly prime, because it can be changed into another prime (212150503) 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 as a sum of consecutive naturals, namely, 106075256 + 106075257.

It is an arithmetic number, because the mean of its divisors is an integer number (106075257).

Almost surely, 2^212150513 is an apocalyptic number.

It is an amenable number.

212150513 is a deficient number, since it is larger than the sum of its proper divisors (1).

212150513 is an equidigital number, since it uses as much as digits as its factorization.

212150513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 212150513 is about 14565.3874991364. The cubic root of 212150513 is about 596.4142738196.

The spelling of 212150513 in words is "two hundred twelve million, one hundred fifty thousand, five hundred thirteen".