201488530 has 32 divisors (see below), whose sum is σ = 382371840. Its totient is φ = 76330560.

The previous prime is 201488513. The next prime is 201488531. The reversal of 201488530 is 35884102.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 201488492 and 201488501.

It is not an unprimeable number, because it can be changed into a prime (201488531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7656 + ... + 21484.

It is an arithmetic number, because the mean of its divisors is an integer number (11949120).

Almost surely, 2^201488530 is an apocalyptic number.

201488530 is a deficient number, since it is larger than the sum of its proper divisors (180883310).

201488530 is a wasteful number, since it uses less digits than its factorization.

201488530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13914.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 201488530 is about 14194.6655473104. The cubic root of 201488530 is about 586.2507924879.

The spelling of 201488530 in words is "two hundred one million, four hundred eighty-eight thousand, five hundred thirty".