613490543 has 4 divisors (see below), whose sum is σ = 649578240. Its totient is φ = 577402848.

The previous prime is 613490497. The next prime is 613490551. The reversal of 613490543 is 345094316.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 613490543 - 2⁸ = 613490287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613490573) 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, 18043823 + ... + 18043856.

It is an arithmetic number, because the mean of its divisors is an integer number (162394560).

Almost surely, 2^613490543 is an apocalyptic number.

613490543 is a deficient number, since it is larger than the sum of its proper divisors (36087697).

613490543 is a wasteful number, since it uses less digits than its factorization.

613490543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36087696.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 613490543 is about 24768.7412477905. The cubic root of 613490543 is about 849.7071854151.

The spelling of 613490543 in words is "six hundred thirteen million, four hundred ninety thousand, five hundred forty-three".