4131151225 has 6 divisors (see below), whose sum is σ = 5122627550. Its totient is φ = 3304920960.

The previous prime is 4131151201. The next prime is 4131151231. The reversal of 4131151225 is 5221511314.

It can be written as a sum of positive squares in 3 ways, for example, as 40653376 + 4090497849 = 6376^2 + 63957^2 .

It is not a de Polignac number, because 4131151225 - 2¹⁹ = 4130626937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 165246049 = 4131151225 / (4 + 1 + 3 + 1 + 1 + 5 + 1 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 4131151225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82623000 + ... + 82623049.

Almost surely, 2^4131151225 is an apocalyptic number.

It is an amenable number.

4131151225 is a deficient number, since it is larger than the sum of its proper divisors (991476325).

4131151225 is a wasteful number, since it uses less digits than its factorization.

4131151225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165246059 (or 165246054 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 4131151225 is about 64274.0322758733. The cubic root of 4131151225 is about 1604.5639515102.

Adding to 4131151225 its reverse (5221511314), we get a palindrome (9352662539).

The spelling of 4131151225 in words is "four billion, one hundred thirty-one million, one hundred fifty-one thousand, two hundred twenty-five".