2251541141 has 4 divisors (see below), whose sum is σ = 2255109984. Its totient is φ = 2247972300.

The previous prime is 2251541107. The next prime is 2251541143. The reversal of 2251541141 is 1411451522.

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 a de Polignac number, because none of the positive numbers 2^k-2251541141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2251541141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251541143) 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, 1783475 + ... + 1784736.

It is an arithmetic number, because the mean of its divisors is an integer number (563777496).

Almost surely, 2^2251541141 is an apocalyptic number.

It is an amenable number.

2251541141 is a deficient number, since it is larger than the sum of its proper divisors (3568843).

2251541141 is an equidigital number, since it uses as much as digits as its factorization.

2251541141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3568842.

The product of its digits is 1600, while the sum is 26.

The square root of 2251541141 is about 47450.4071742277. The cubic root of 2251541141 is about 1310.6698089716.

Adding to 2251541141 its reverse (1411451522), we get a palindrome (3662992663).

The spelling of 2251541141 in words is "two billion, two hundred fifty-one million, five hundred forty-one thousand, one hundred forty-one".