653015380 has 12 divisors (see below), whose sum is σ = 1371332340. Its totient is φ = 261206144.

The previous prime is 653015369. The next prime is 653015393. The reversal of 653015380 is 83510356.

653015380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 237344836 + 415670544 = 15406^2 + 20388^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16325365 + ... + 16325404.

It is an arithmetic number, because the mean of its divisors is an integer number (114277695).

Almost surely, 2^653015380 is an apocalyptic number.

It is an amenable number.

653015380 is an abundant number, since it is smaller than the sum of its proper divisors (718316960).

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

653015380 is a wasteful number, since it uses less digits than its factorization.

653015380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32650778 (or 32650776 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 653015380 is about 25554.1656095440. The cubic root of 653015380 is about 867.5765470467.

The spelling of 653015380 in words is "six hundred fifty-three million, fifteen thousand, three hundred eighty".