4131250345 has 4 divisors (see below), whose sum is σ = 4957500420. Its totient is φ = 3305000272.

The previous prime is 4131250339. The next prime is 4131250373. The reversal of 4131250345 is 5430521314.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1405575081 + 2725675264 = 37491^2 + 52208^2 .

It is a cyclic number.

It is not a de Polignac number, because 4131250345 - 2³ = 4131250337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413125030 + ... + 413125039.

It is an arithmetic number, because the mean of its divisors is an integer number (1239375105).

Almost surely, 2^4131250345 is an apocalyptic number.

It is an amenable number.

4131250345 is a deficient number, since it is larger than the sum of its proper divisors (826250075).

4131250345 is an equidigital number, since it uses as much as digits as its factorization.

4131250345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826250074.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 4131250345 is about 64274.8033447011. The cubic root of 4131250345 is about 1604.5767843420.

Adding to 4131250345 its reverse (5430521314), we get a palindrome (9561771659).

The spelling of 4131250345 in words is "four billion, one hundred thirty-one million, two hundred fifty thousand, three hundred forty-five".