206361253 has 8 divisors (see below), whose sum is σ = 236071808. Its totient is φ = 176708304.

The previous prime is 206361227. The next prime is 206361263. The reversal of 206361253 is 352163602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 206361253 - 2²¹ = 204264101 is a prime.

It is a super-4 number, since 4×206361253⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206361263) 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 in 7 ways as a sum of consecutive naturals, for example, 6426 + ... + 21307.

It is an arithmetic number, because the mean of its divisors is an integer number (29508976).

Almost surely, 2^206361253 is an apocalyptic number.

It is an amenable number.

206361253 is a deficient number, since it is larger than the sum of its proper divisors (29710555).

206361253 is a wasteful number, since it uses less digits than its factorization.

206361253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28803.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 206361253 is about 14365.2794264504. The cubic root of 206361253 is about 590.9390895604.

The spelling of 206361253 in words is "two hundred six million, three hundred sixty-one thousand, two hundred fifty-three".