6281347225 has 6 divisors (see below), whose sum is σ = 7788870590. Its totient is φ = 5025077760.

The previous prime is 6281347211. The next prime is 6281347243. The reversal of 6281347225 is 5227431826.

It can be written as a sum of positive squares in 3 ways, for example, as 4112784 + 6277234441 = 2028^2 + 79229^2 .

It is not a de Polignac number, because 6281347225 - 2⁷ = 6281347097 is a prime.

It is a super-2 number, since 2×6281347225² = 78910645922030401250, which contains 22 as substring.

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, 125626920 + ... + 125626969.

Almost surely, 2^6281347225 is an apocalyptic number.

It is an amenable number.

6281347225 is a deficient number, since it is larger than the sum of its proper divisors (1507523365).

6281347225 is a wasteful number, since it uses less digits than its factorization.

6281347225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251253899 (or 251253894 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 6281347225 is about 79254.9507917329. The cubic root of 6281347225 is about 1845.0901927349.

The spelling of 6281347225 in words is "six billion, two hundred eighty-one million, three hundred forty-seven thousand, two hundred twenty-five".