2141504261 has 8 divisors (see below), whose sum is σ = 2318187480. Its totient is φ = 1966528512.

The previous prime is 2141504257. The next prime is 2141504303. The reversal of 2141504261 is 1624051412.

It can be written as a sum of positive squares in 4 ways, for example, as 342472036 + 1799032225 = 18506^2 + 42415^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2141504261 - 2² = 2141504257 is a prime.

It is a super-2 number, since 2×2141504261² = 9172080999762312242, which contains 22 as substring.

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 2141504261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141504461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424256 + ... + 429273.

It is an arithmetic number, because the mean of its divisors is an integer number (289773435).

Almost surely, 2^2141504261 is an apocalyptic number.

It is an amenable number.

2141504261 is a deficient number, since it is larger than the sum of its proper divisors (176683219).

2141504261 is a wasteful number, since it uses less digits than its factorization.

2141504261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853735.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2141504261 is about 46276.3898872849. The cubic root of 2141504261 is about 1288.9606156050.

Adding to 2141504261 its reverse (1624051412), we get a palindrome (3765555673).

The spelling of 2141504261 in words is "two billion, one hundred forty-one million, five hundred four thousand, two hundred sixty-one".