201885513 has 16 divisors (see below), whose sum is σ = 281594880. Its totient is φ = 128412944.

The previous prime is 201885503. The next prime is 201885569. The reversal of 201885513 is 315588102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 201885513 - 2⁶ = 201885449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201885503) 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, 25420 + ... + 32402.

It is an arithmetic number, because the mean of its divisors is an integer number (17599680).

Almost surely, 2^201885513 is an apocalyptic number.

201885513 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

201885513 is a deficient number, since it is larger than the sum of its proper divisors (79709367).

201885513 is a wasteful number, since it uses less digits than its factorization.

201885513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7428.

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 201885513 is about 14208.6421941014. The cubic root of 201885513 is about 586.6355603270.

The spelling of 201885513 in words is "two hundred one million, eight hundred eighty-five thousand, five hundred thirteen".