201834151 has 4 divisors (see below), whose sum is σ = 202552704. Its totient is φ = 201115600.

The previous prime is 201834119. The next prime is 201834161. The reversal of 201834151 is 151438102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201834151 - 2⁵ = 201834119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201834161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358855 + ... + 359416.

It is an arithmetic number, because the mean of its divisors is an integer number (50638176).

Almost surely, 2^201834151 is an apocalyptic number.

201834151 is a deficient number, since it is larger than the sum of its proper divisors (718553).

201834151 is an equidigital number, since it uses as much as digits as its factorization.

201834151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718552.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 201834151 is about 14206.8346580088. The cubic root of 201834151 is about 586.5858071595.

The spelling of 201834151 in words is "two hundred one million, eight hundred thirty-four thousand, one hundred fifty-one".