505001052 has 36 divisors (see below), whose sum is σ = 1288470456. Its totient is φ = 166759200.

The previous prime is 505001051. The next prime is 505001053. The reversal of 505001052 is 250100505.

It is an interprime number because it is at equal distance from previous prime (505001051) and next prime (505001053).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×505001052² = 510052125042213408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505001051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61699 + ... + 69402.

It is an arithmetic number, because the mean of its divisors is an integer number (35790846).

Almost surely, 2^505001052 is an apocalyptic number.

It is an amenable number.

505001052 is an abundant number, since it is smaller than the sum of its proper divisors (783469404).

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

505001052 is a wasteful number, since it uses less digits than its factorization.

505001052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131218 (or 131213 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 505001052 is about 22472.2284609248. The cubic root of 505001052 is about 796.3379771468.

Adding to 505001052 its reverse (250100505), we get a palindrome (755101557).

The spelling of 505001052 in words is "five hundred five million, one thousand, fifty-two".