613304541 has 12 divisors (see below), whose sum is σ = 918695232. Its totient is φ = 408869532.

The previous prime is 613304521. The next prime is 613304567. The reversal of 613304541 is 145403316.

613304541 is a `hidden beast` number, since 613 + 3 + 0 + 4 + 5 + 41 = 666.

It is not a de Polignac number, because 613304541 - 2⁵ = 613304509 is a prime.

It is a super-2 number, since 2×613304541² = 752284920022441362, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613304501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1261701 + ... + 1262186.

It is an arithmetic number, because the mean of its divisors is an integer number (76557936).

Almost surely, 2^613304541 is an apocalyptic number.

It is an amenable number.

613304541 is a deficient number, since it is larger than the sum of its proper divisors (305390691).

613304541 is an equidigital number, since it uses as much as digits as its factorization.

613304541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523902 (or 2523890 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 613304541 is about 24764.9861901839. The cubic root of 613304541 is about 849.6213035092.

Adding to 613304541 its reverse (145403316), we get a palindrome (758707857).

The spelling of 613304541 in words is "six hundred thirteen million, three hundred four thousand, five hundred forty-one".