205253534 has 16 divisors (see below), whose sum is σ = 319038720. Its totient is φ = 98967960.

The previous prime is 205253519. The next prime is 205253549. The reversal of 205253534 is 435352502.

It is an interprime number because it is at equal distance from previous prime (205253519) and next prime (205253549).

It is a junction number, because it is equal to n+sod(n) for n = 205253497 and 205253506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8312 + ... + 21899.

It is an arithmetic number, because the mean of its divisors is an integer number (19939920).

Almost surely, 2^205253534 is an apocalyptic number.

205253534 is a deficient number, since it is larger than the sum of its proper divisors (113785186).

205253534 is a wasteful number, since it uses less digits than its factorization.

205253534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30335.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 205253534 is about 14326.6721188139. The cubic root of 205253534 is about 589.8798318896.

The spelling of 205253534 in words is "two hundred five million, two hundred fifty-three thousand, five hundred thirty-four".