229252013 has 2 divisors, whose sum is σ = 229252014. Its totient is φ = 229252012.

The previous prime is 229252003. The next prime is 229252061. The reversal of 229252013 is 310252922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182439049 + 46812964 = 13507^2 + 6842^2 .

It is a cyclic number.

It is not a de Polignac number, because 229252013 - 2⁶ = 229251949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229252003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114626006 + 114626007.

It is an arithmetic number, because the mean of its divisors is an integer number (114626007).

Almost surely, 2^229252013 is an apocalyptic number.

It is an amenable number.

229252013 is a deficient number, since it is larger than the sum of its proper divisors (1).

229252013 is an equidigital number, since it uses as much as digits as its factorization.

229252013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 229252013 is about 15141.0704046973. The cubic root of 229252013 is about 612.0276635010.

The spelling of 229252013 in words is "two hundred twenty-nine million, two hundred fifty-two thousand, thirteen".