6151249 has 4 divisors (see below), whose sum is σ = 6624436. Its totient is φ = 5678064.

The previous prime is 6151247. The next prime is 6151253. The reversal of 6151249 is 9421516.

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 2050624 + 4100625 = 1432^2 + 2025^2 .

It is a cyclic number.

It is not a de Polignac number, because 6151249 - 2¹ = 6151247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6151241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236574 + ... + 236599.

It is an arithmetic number, because the mean of its divisors is an integer number (1656109).

Almost surely, 2^6151249 is an apocalyptic number.

It is an amenable number.

6151249 is a deficient number, since it is larger than the sum of its proper divisors (473187).

6151249 is a wasteful number, since it uses less digits than its factorization.

6151249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473186.

The product of its digits is 2160, while the sum is 28.

The square root of 6151249 is about 2480.1711634482. The cubic root of 6151249 is about 183.2262820395.

It can be divided in two parts, 6151 and 249, that added together give a square (6400 = 80²).

The spelling of 6151249 in words is "six million, one hundred fifty-one thousand, two hundred forty-nine".