213292049 has 2 divisors, whose sum is σ = 213292050. Its totient is φ = 213292048.

The previous prime is 213292033. The next prime is 213292073. The reversal of 213292049 is 940292312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212955649 + 336400 = 14593^2 + 580^2 .

It is a cyclic number.

It is not a de Polignac number, because 213292049 - 2⁴ = 213292033 is a prime.

It is a super-4 number, since 4×213292049⁴ (a number of 34 digits) contains 4444 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (213292099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106646024 + 106646025.

It is an arithmetic number, because the mean of its divisors is an integer number (106646025).

Almost surely, 2^213292049 is an apocalyptic number.

It is an amenable number.

213292049 is a deficient number, since it is larger than the sum of its proper divisors (1).

213292049 is an equidigital number, since it uses as much as digits as its factorization.

213292049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 213292049 is about 14604.5215258837. The cubic root of 213292049 is about 597.4820862611.

The spelling of 213292049 in words is "two hundred thirteen million, two hundred ninety-two thousand, forty-nine".