1532722500 has 315 divisors, whose sum is σ = 5204600401. Its totient is φ = 394632000.

The previous prime is 1532722481. The next prime is 1532722517. The reversal of 1532722500 is 52272351.

The square root of 1532722500 is 39150.

It is a perfect power (a square), and thus also a powerful number.

1532722500 is a `hidden beast` number, since 153 + 2 + 7 + 2 + 2 + 500 = 666.

It can be written as a sum of positive squares in 7 ways, for example, as 1146364164 + 386358336 = 33858^2 + 19656^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 104 ways as a sum of consecutive naturals, for example, 52852486 + ... + 52852514.

Almost surely, 2^1532722500 is an apocalyptic number.

1532722500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1532722500 is the 39150-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1532722500

1532722500 is an abundant number, since it is smaller than the sum of its proper divisors (3671877901).

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

1532722500 is an frugal number, since it uses more digits than its factorization.

1532722500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The cubic root of 1532722500 is about 1152.9784168225.

Adding to 1532722500 its reverse (52272351), we get a palindrome (1584994851).

The spelling of 1532722500 in words is "one billion, five hundred thirty-two million, seven hundred twenty-two thousand, five hundred".