6261345 has 24 divisors (see below), whose sum is σ = 11035752. Its totient is φ = 3283200.

The previous prime is 6261301. The next prime is 6261371. The reversal of 6261345 is 5431626.

6261345 = T₃₀ + T₃₁ + ... + T₃₃₄.

6261345 is a `hidden beast` number, since 6 + 2 + 613 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 31329 + 6230016 = 177^2 + 2496^2 .

It is not a de Polignac number, because 6261345 - 2¹⁰ = 6260321 is a prime.

It is a d-powerful number, because it can be written as 6 + 2²¹ + 6⁸ + 1 + 3¹² + 4 + 5⁹ .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1605 + ... + 3885.

It is an arithmetic number, because the mean of its divisors is an integer number (459823).

Almost surely, 2^6261345 is an apocalyptic number.

It is an amenable number.

6261345 is a deficient number, since it is larger than the sum of its proper divisors (4774407).

6261345 is a wasteful number, since it uses less digits than its factorization.

6261345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353 (or 2350 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 6261345 is about 2502.2679712613. The cubic root of 6261345 is about 184.3129617956.

The spelling of 6261345 in words is "six million, two hundred sixty-one thousand, three hundred forty-five".