6151540 has 12 divisors (see below), whose sum is σ = 12918276. Its totient is φ = 2460608.

The previous prime is 6151531. The next prime is 6151543. The reversal of 6151540 is 451516.

It can be written as a sum of positive squares in 2 ways, for example, as 1648656 + 4502884 = 1284^2 + 2122^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6151543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153769 + ... + 153808.

It is an arithmetic number, because the mean of its divisors is an integer number (1076523).

Almost surely, 2^6151540 is an apocalyptic number.

It is an amenable number.

6151540 is an abundant number, since it is smaller than the sum of its proper divisors (6766736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6151540 is a wasteful number, since it uses less digits than its factorization.

6151540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307586 (or 307584 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 6151540 is about 2480.2298280603. The cubic root of 6151540 is about 183.2291713176.

The spelling of 6151540 in words is "six million, one hundred fifty-one thousand, five hundred forty".