605721152 has 56 divisors (see below), whose sum is σ = 1313809920. Its totient is φ = 275834880.

The previous prime is 605721107. The next prime is 605721157. The reversal of 605721152 is 251127506.

It is a super-2 number, since 2×605721152² = 733796227960414208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (605721157) 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, 24749 + ... + 42707.

Almost surely, 2^605721152 is an apocalyptic number.

605721152 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 605721152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (656904960).

605721152 is an abundant number, since it is smaller than the sum of its proper divisors (708088768).

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

605721152 is a wasteful number, since it uses less digits than its factorization.

605721152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18019 (or 18009 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 605721152 is about 24611.4028856544. The cubic root of 605721152 is about 846.1049708883.

Adding to 605721152 its reverse (251127506), we get a palindrome (856848658).

The spelling of 605721152 in words is "six hundred five million, seven hundred twenty-one thousand, one hundred fifty-two".