201430522 has 16 divisors (see below), whose sum is σ = 304243200. Its totient is φ = 100019088.

The previous prime is 201430513. The next prime is 201430531. The reversal of 201430522 is 225034102.

It is an interprime number because it is at equal distance from previous prime (201430513) and next prime (201430531).

It is a self number, because there is not a number n which added to its sum of digits gives 201430522.

It is an unprimeable number.

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, 331543 + ... + 332149.

It is an arithmetic number, because the mean of its divisors is an integer number (19015200).

Almost surely, 2^201430522 is an apocalyptic number.

201430522 is a deficient number, since it is larger than the sum of its proper divisors (102812678).

201430522 is a wasteful number, since it uses less digits than its factorization.

201430522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 201430522 is about 14192.6220974139. The cubic root of 201430522 is about 586.1945270849.

Adding to 201430522 its reverse (225034102), we get a palindrome (426464624).

The spelling of 201430522 in words is "two hundred one million, four hundred thirty thousand, five hundred twenty-two".