605213540 has 24 divisors (see below), whose sum is σ = 1271410560. Its totient is φ = 241997408.

The previous prime is 605213537. The next prime is 605213561. The reversal of 605213540 is 45312506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106901 + ... + 112419.

It is an arithmetic number, because the mean of its divisors is an integer number (52975440).

Almost surely, 2^605213540 is an apocalyptic number.

It is an amenable number.

605213540 is an abundant number, since it is smaller than the sum of its proper divisors (666197020).

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

605213540 is a wasteful number, since it uses less digits than its factorization.

605213540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11011 (or 11009 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 605213540 is about 24601.0881873140. The cubic root of 605213540 is about 845.8685512823.

The spelling of 605213540 in words is "six hundred five million, two hundred thirteen thousand, five hundred forty".