201522546 has 32 divisors (see below), whose sum is σ = 449296320. Its totient is φ = 66953952.

The previous prime is 201522523. The next prime is 201522551. The reversal of 201522546 is 645225102.

201522546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201522546² = 81222673092644232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10941 + ... + 22863.

It is an arithmetic number, because the mean of its divisors is an integer number (14040510).

Almost surely, 2^201522546 is an apocalyptic number.

201522546 is an abundant number, since it is smaller than the sum of its proper divisors (247773774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201522546 is a wasteful number, since it uses less digits than its factorization.

201522546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12247 (or 12241 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 201522546 is about 14195.8636933439. The cubic root of 201522546 is about 586.2837816029.

Adding to 201522546 its reverse (645225102), we get a palindrome (846747648).

The spelling of 201522546 in words is "two hundred one million, five hundred twenty-two thousand, five hundred forty-six".