653025140 has 24 divisors (see below), whose sum is σ = 1371960072. Its totient is φ = 261094400.

The previous prime is 653025101. The next prime is 653025169. The reversal of 653025140 is 41520356.

It can be written as a sum of positive squares in 4 ways, for example, as 122367844 + 530657296 = 11062^2 + 23036^2 .

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, 50192 + ... + 61848.

It is an arithmetic number, because the mean of its divisors is an integer number (57165003).

Almost surely, 2^653025140 is an apocalyptic number.

It is an amenable number.

653025140 is an abundant number, since it is smaller than the sum of its proper divisors (718934932).

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

653025140 is a wasteful number, since it uses less digits than its factorization.

653025140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14467 (or 14465 counting only the distinct ones).

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

The square root of 653025140 is about 25554.3565757387. The cubic root of 653025140 is about 867.5808693058.

Adding to 653025140 its reverse (41520356), we get a palindrome (694545496).

The spelling of 653025140 in words is "six hundred fifty-three million, twenty-five thousand, one hundred forty".