201506151 has 96 divisors (see below), whose sum is σ = 374588928. Its totient is φ = 93265920.

The previous prime is 201506141. The next prime is 201506161. The reversal of 201506151 is 151605102.

201506151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201506141) and next prime (201506161).

It is not a de Polignac number, because 201506151 - 2⁶ = 201506087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201506131) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2077335 + ... + 2077431.

It is an arithmetic number, because the mean of its divisors is an integer number (3901968).

Almost surely, 2^201506151 is an apocalyptic number.

201506151 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

201506151 is a deficient number, since it is larger than the sum of its proper divisors (173082777).

201506151 is a wasteful number, since it uses less digits than its factorization.

201506151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 201506151 is about 14195.2862246592. The cubic root of 201506151 is about 586.2678820034.

The spelling of 201506151 in words is "two hundred one million, five hundred six thousand, one hundred fifty-one".