541515646 has 16 divisors (see below), whose sum is σ = 953402976. Its totient is φ = 225805536.

The previous prime is 541515643. The next prime is 541515647. The reversal of 541515646 is 646515145.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541515643) 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 7 ways as a sum of consecutive naturals, for example, 522181 + ... + 523216.

It is an arithmetic number, because the mean of its divisors is an integer number (59587686).

Almost surely, 2^541515646 is an apocalyptic number.

541515646 is a deficient number, since it is larger than the sum of its proper divisors (411887330).

541515646 is a wasteful number, since it uses less digits than its factorization.

541515646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045443.

The product of its digits is 72000, while the sum is 37.

The square root of 541515646 is about 23270.4887357357. The cubic root of 541515646 is about 815.0864429620.

The spelling of 541515646 in words is "five hundred forty-one million, five hundred fifteen thousand, six hundred forty-six".