1452530520 has 288 divisors, whose sum is σ = 5577951600. Its totient is φ = 326785536.

The previous prime is 1452530509. The next prime is 1452530531. The reversal of 1452530520 is 250352541.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1452530509) and next prime (1452530531).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1181266 + ... + 1182494.

Almost surely, 2^1452530520 is an apocalyptic number.

1452530520 is a gapful number since it is divisible by the number (10) 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 1452530520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2788975800).

1452530520 is an abundant number, since it is smaller than the sum of its proper divisors (4125421080).

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

1452530520 is a wasteful number, since it uses less digits than its factorization.

1452530520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1452530520 is about 38112.0784004231. The cubic root of 1452530520 is about 1132.5092436712.

The spelling of 1452530520 in words is "one billion, four hundred fifty-two million, five hundred thirty thousand, five hundred twenty".