151509201 has 4 divisors (see below), whose sum is σ = 202012272. Its totient is φ = 101006132.

The previous prime is 151509187. The next prime is 151509203. The reversal of 151509201 is 102905151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 151509201 - 2¹⁵ = 151476433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151509203) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25251531 + ... + 25251536.

It is an arithmetic number, because the mean of its divisors is an integer number (50503068).

Almost surely, 2^151509201 is an apocalyptic number.

It is an amenable number.

151509201 is a deficient number, since it is larger than the sum of its proper divisors (50503071).

151509201 is an equidigital number, since it uses as much as digits as its factorization.

151509201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50503070.

The product of its (nonzero) digits is 450, while the sum is 24.

The square root of 151509201 is about 12308.9073844919. The cubic root of 151509201 is about 533.1053029954.

The spelling of 151509201 in words is "one hundred fifty-one million, five hundred nine thousand, two hundred one".