6157081 has 4 divisors (see below), whose sum is σ = 7036672. Its totient is φ = 5277492.

The previous prime is 6157079. The next prime is 6157097. The reversal of 6157081 is 1807516.

It is a happy number.

6157081 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6157081 - 2¹ = 6157079 is a prime.

It is a super-2 number, since 2×6157081² = 75819292881122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6157001) 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, 439785 + ... + 439798.

It is an arithmetic number, because the mean of its divisors is an integer number (1759168).

Almost surely, 2^6157081 is an apocalyptic number.

It is an amenable number.

6157081 is a deficient number, since it is larger than the sum of its proper divisors (879591).

6157081 is an equidigital number, since it uses as much as digits as its factorization.

6157081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879590.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 6157081 is about 2481.3466102099. The cubic root of 6157081 is about 183.2841693698.

The spelling of 6157081 in words is "six million, one hundred fifty-seven thousand, eighty-one".