653452500 has 120 divisors (see below), whose sum is σ = 1921235008. Its totient is φ = 172800000.

The previous prime is 653452453. The next prime is 653452537. The reversal of 653452500 is 5254356.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1132212 + ... + 1132788.

Almost surely, 2^653452500 is an apocalyptic number.

653452500 is a gapful number since it is divisible by the number (60) 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 653452500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (960617504).

653452500 is an abundant number, since it is smaller than the sum of its proper divisors (1267782508).

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

653452500 is a wasteful number, since it uses less digits than its factorization.

653452500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 653452500 is about 25562.7169917441. The cubic root of 653452500 is about 867.7700853538.

The spelling of 653452500 in words is "six hundred fifty-three million, four hundred fifty-two thousand, five hundred".