1601258147 has 4 divisors (see below), whose sum is σ = 1601580960. Its totient is φ = 1600935336.

The previous prime is 1601258129. The next prime is 1601258149. The reversal of 1601258147 is 7418521061.

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 1601258147 - 2¹⁰ = 1601257123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1601258149) 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, 153848 + ... + 163925.

It is an arithmetic number, because the mean of its divisors is an integer number (400395240).

Almost surely, 2^1601258147 is an apocalyptic number.

1601258147 is a deficient number, since it is larger than the sum of its proper divisors (322813).

1601258147 is an equidigital number, since it uses as much as digits as its factorization.

1601258147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322812.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 1601258147 is about 40015.7237470472. The cubic root of 1601258147 is about 1169.9135853093.

The spelling of 1601258147 in words is "one billion, six hundred one million, two hundred fifty-eight thousand, one hundred forty-seven".