206150253 has 4 divisors (see below), whose sum is σ = 274867008. Its totient is φ = 137433500.

The previous prime is 206150249. The next prime is 206150257. The reversal of 206150253 is 352051602.

206150253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (206150249) and next prime (206150257).

It is a cyclic number.

It is not a de Polignac number, because 206150253 - 2² = 206150249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206150257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34358373 + ... + 34358378.

It is an arithmetic number, because the mean of its divisors is an integer number (68716752).

Almost surely, 2^206150253 is an apocalyptic number.

It is an amenable number.

206150253 is a deficient number, since it is larger than the sum of its proper divisors (68716755).

206150253 is an equidigital number, since it uses as much as digits as its factorization.

206150253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68716754.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 206150253 is about 14357.9334515800. The cubic root of 206150253 is about 590.7376133187.

It can be divided in two parts, 206150 and 253, that added together give a triangular number (206403 = T₆₄₂).

The spelling of 206150253 in words is "two hundred six million, one hundred fifty thousand, two hundred fifty-three".