2151141 has 4 divisors (see below), whose sum is σ = 2868192. Its totient is φ = 1434092.

The previous prime is 2151139. The next prime is 2151157. The reversal of 2151141 is 1411512.

It is a happy number.

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 2151141 - 2¹ = 2151139 is a prime.

It is a D-number.

2151141 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2151141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151101) 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, 358521 + ... + 358526.

It is an arithmetic number, because the mean of its divisors is an integer number (717048).

2^2151141 is an apocalyptic number.

It is an amenable number.

2151141 is a deficient number, since it is larger than the sum of its proper divisors (717051).

2151141 is an equidigital number, since it uses as much as digits as its factorization.

2151141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717050.

The product of its digits is 40, while the sum is 15.

The square root of 2151141 is about 1466.6768560252. The cubic root of 2151141 is about 129.0891157560.

Adding to 2151141 its reverse (1411512), we get a palindrome (3562653).

The spelling of 2151141 in words is "two million, one hundred fifty-one thousand, one hundred forty-one".