2043250261 has 8 divisors (see below), whose sum is σ = 2215193400. Its totient is φ = 1873417152.

The previous prime is 2043250171. The next prime is 2043250271. The reversal of 2043250261 is 1620523402.

It can be written as a sum of positive squares in 4 ways, for example, as 61308900 + 1981941361 = 7830^2 + 44519^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2043250261 - 2⁷ = 2043250133 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 (2043250271) 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, 525490 + ... + 529363.

It is an arithmetic number, because the mean of its divisors is an integer number (276899175).

Almost surely, 2^2043250261 is an apocalyptic number.

It is an amenable number.

2043250261 is a deficient number, since it is larger than the sum of its proper divisors (171943139).

2043250261 is a wasteful number, since it uses less digits than its factorization.

2043250261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055015.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2043250261 is about 45202.3258361779. The cubic root of 2043250261 is about 1268.9383445758.

Adding to 2043250261 its reverse (1620523402), we get a palindrome (3663773663).

The spelling of 2043250261 in words is "two billion, forty-three million, two hundred fifty thousand, two hundred sixty-one".