6157225 has 6 divisors (see below), whose sum is σ = 7634990. Its totient is φ = 4925760.

The previous prime is 6157219. The next prime is 6157271. The reversal of 6157225 is 5227516.

It can be written as a sum of positive squares in 3 ways, for example, as 1478656 + 4678569 = 1216^2 + 2163^2 .

It is not a de Polignac number, because 6157225 - 2⁷ = 6157097 is a prime.

It is a super-2 number, since 2×6157225² = 75822839401250, which contains 22 as substring.

6157225 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6157193 and 6157202.

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, 123120 + ... + 123169.

Almost surely, 2^6157225 is an apocalyptic number.

It is an amenable number.

6157225 is a deficient number, since it is larger than the sum of its proper divisors (1477765).

6157225 is a wasteful number, since it uses less digits than its factorization.

6157225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246299 (or 246294 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 6157225 is about 2481.3756265427. The cubic root of 6157225 is about 183.2855982241.

The spelling of 6157225 in words is "six million, one hundred fifty-seven thousand, two hundred twenty-five".