2150047 has 4 divisors (see below), whose sum is σ = 2155576. Its totient is φ = 2144520.

The previous prime is 2150039. The next prime is 2150101. The reversal of 2150047 is 7400512.

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 2150047 - 2³ = 2150039 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 (2150947) 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, 2133 + ... + 2974.

It is an arithmetic number, because the mean of its divisors is an integer number (538894).

2^2150047 is an apocalyptic number.

2150047 is a deficient number, since it is larger than the sum of its proper divisors (5529).

2150047 is an equidigital number, since it uses as much as digits as its factorization.

2150047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5528.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2150047 is about 1466.3038566409. The cubic root of 2150047 is about 129.0672285436.

Adding to 2150047 its reverse (7400512), we get a palindrome (9550559).

The spelling of 2150047 in words is "two million, one hundred fifty thousand, forty-seven".