6155245 has 4 divisors (see below), whose sum is σ = 7386300. Its totient is φ = 4924192.

The previous prime is 6155239. The next prime is 6155249. The reversal of 6155245 is 5425516.

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 3755844 + 2399401 = 1938^2 + 1549^2 .

It is a cyclic number.

It is not a de Polignac number, because 6155245 - 2¹¹ = 6153197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6155249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615520 + ... + 615529.

It is an arithmetic number, because the mean of its divisors is an integer number (1846575).

Almost surely, 2^6155245 is an apocalyptic number.

It is an amenable number.

6155245 is a deficient number, since it is larger than the sum of its proper divisors (1231055).

6155245 is a wasteful number, since it uses less digits than its factorization.

6155245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231054.

The product of its digits is 6000, while the sum is 28.

The square root of 6155245 is about 2480.9766222196. The cubic root of 6155245 is about 183.2659495246.

It can be divided in two parts, 6155 and 245, that added together give a square (6400 = 80²).

The spelling of 6155245 in words is "six million, one hundred fifty-five thousand, two hundred forty-five".