505252003572 has 72 divisors (see below), whose sum is σ = 1313042546816. Its totient is φ = 163695639744.

The previous prime is 505252003567. The next prime is 505252003577. The reversal of 505252003572 is 275300252505.

505252003572 is a `hidden beast` number, since 50 + 5 + 252 + 0 + 0 + 357 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (505252003567) and next prime (505252003577).

It is a super-2 number, since 2×505252003572² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505252003577) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1091913 + ... + 1484175.

Almost surely, 2^505252003572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505252003572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (656521273408).

505252003572 is an abundant number, since it is smaller than the sum of its proper divisors (807790543244).

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

505252003572 is a wasteful number, since it uses less digits than its factorization.

505252003572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393277 (or 393272 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 36.

The spelling of 505252003572 in words is "five hundred five billion, two hundred fifty-two million, three thousand, five hundred seventy-two".