601247540 has 24 divisors (see below), whose sum is σ = 1263094560. Its totient is φ = 240408608.

The previous prime is 601247539. The next prime is 601247557. The reversal of 601247540 is 45742106.

It is a super-2 number, since 2×601247540² = 722997208712103200, which contains 22 as substring.

It is a congruent number.

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, 82151 + ... + 89169.

It is an arithmetic number, because the mean of its divisors is an integer number (52628940).

Almost surely, 2^601247540 is an apocalyptic number.

It is an amenable number.

601247540 is an abundant number, since it is smaller than the sum of its proper divisors (661847020).

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

601247540 is a wasteful number, since it uses less digits than its factorization.

601247540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11311 (or 11309 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 601247540 is about 24520.3495081126. The cubic root of 601247540 is about 844.0168250579.

Adding to 601247540 its reverse (45742106), we get a palindrome (646989646).

The spelling of 601247540 in words is "six hundred one million, two hundred forty-seven thousand, five hundred forty".