201354530 has 16 divisors (see below), whose sum is σ = 390318264. Its totient is φ = 74346240.

The previous prime is 201354521. The next prime is 201354553. The reversal of 201354530 is 35453102.

It can be written as a sum of positive squares in 4 ways, for example, as 158281561 + 43072969 = 12581^2 + 6563^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201354496 and 201354505.

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, 774311 + ... + 774570.

Almost surely, 2^201354530 is an apocalyptic number.

201354530 is a deficient number, since it is larger than the sum of its proper divisors (188963734).

201354530 is a wasteful number, since it uses less digits than its factorization.

201354530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548901.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 201354530 is about 14189.9446792438. The cubic root of 201354530 is about 586.1208015854.

The spelling of 201354530 in words is "two hundred one million, three hundred fifty-four thousand, five hundred thirty".