213202051 has 2 divisors, whose sum is σ = 213202052. Its totient is φ = 213202050.

The previous prime is 213202043. The next prime is 213202109. The reversal of 213202051 is 150202312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213202051 - 2³ = 213202043 is a prime.

It is a super-2 number, since 2×213202051² = 90910229101213202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (213202001) 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, 106601025 + 106601026.

It is an arithmetic number, because the mean of its divisors is an integer number (106601026).

Almost surely, 2^213202051 is an apocalyptic number.

213202051 is a deficient number, since it is larger than the sum of its proper divisors (1).

213202051 is an equidigital number, since it uses as much as digits as its factorization.

213202051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 213202051 is about 14601.4400317229. The cubic root of 213202051 is about 597.3980391251.

Adding to 213202051 its reverse (150202312), we get a palindrome (363404363).

The spelling of 213202051 in words is "two hundred thirteen million, two hundred two thousand, fifty-one".