213652051 has 2 divisors, whose sum is σ = 213652052. Its totient is φ = 213652050.

The previous prime is 213652009. The next prime is 213652111. The reversal of 213652051 is 150256312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213652051 - 2¹⁵ = 213619283 is a prime.

It is not a weakly prime, because it can be changed into another prime (213652001) 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, 106826025 + 106826026.

It is an arithmetic number, because the mean of its divisors is an integer number (106826026).

Almost surely, 2^213652051 is an apocalyptic number.

213652051 is a deficient number, since it is larger than the sum of its proper divisors (1).

213652051 is an equidigital number, since it uses as much as digits as its factorization.

213652051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 213652051 is about 14616.8413482530. The cubic root of 213652051 is about 597.8180479085.

The spelling of 213652051 in words is "two hundred thirteen million, six hundred fifty-two thousand, fifty-one".