613408542 has 16 divisors (see below), whose sum is σ = 1228648080. Its totient is φ = 204164352.

The previous prime is 613408541. The next prime is 613408589. The reversal of 613408542 is 245804316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613408541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71917 + ... + 79992.

It is an arithmetic number, because the mean of its divisors is an integer number (76790505).

Almost surely, 2^613408542 is an apocalyptic number.

613408542 is an abundant number, since it is smaller than the sum of its proper divisors (615239538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613408542 is a wasteful number, since it uses less digits than its factorization.

613408542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152587.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 613408542 is about 24767.0858600684. The cubic root of 613408542 is about 849.6693255848.

The spelling of 613408542 in words is "six hundred thirteen million, four hundred eight thousand, five hundred forty-two".