6149081 has 4 divisors (see below), whose sum is σ = 6190500. Its totient is φ = 6107664.

The previous prime is 6149063. The next prime is 6149083. The reversal of 6149081 is 1809416.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 292681 + 5856400 = 541^2 + 2420^2 .

It is a cyclic number.

It is not a de Polignac number, because 6149081 - 2¹⁰ = 6148057 is a prime.

It is a super-2 number, since 2×6149081² = 75622394289122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6149083) 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, 20486 + ... + 20783.

It is an arithmetic number, because the mean of its divisors is an integer number (1547625).

Almost surely, 2^6149081 is an apocalyptic number.

It is an amenable number.

6149081 is a deficient number, since it is larger than the sum of its proper divisors (41419).

6149081 is a wasteful number, since it uses less digits than its factorization.

6149081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41418.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 6149081 is about 2479.7340583216. The cubic root of 6149081 is about 183.2047535522.

The spelling of 6149081 in words is "six million, one hundred forty-nine thousand, eighty-one".