524980069 has 4 divisors (see below), whose sum is σ = 543082860. Its totient is φ = 506877280.

The previous prime is 524980061. The next prime is 524980073. The reversal of 524980069 is 960089425.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 210627169 + 314352900 = 14513^2 + 17730^2 .

It is a cyclic number.

It is not a de Polignac number, because 524980069 - 2³ = 524980061 is a prime.

It is a super-2 number, since 2×524980069² = 551208145694489522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524980061) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9051352 + ... + 9051409.

It is an arithmetic number, because the mean of its divisors is an integer number (135770715).

Almost surely, 2^524980069 is an apocalyptic number.

It is an amenable number.

524980069 is a deficient number, since it is larger than the sum of its proper divisors (18102791).

524980069 is a wasteful number, since it uses less digits than its factorization.

524980069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18102790.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 524980069 is about 22912.4435405742. The cubic root of 524980069 is about 806.7041142334.

The spelling of 524980069 in words is "five hundred twenty-four million, nine hundred eighty thousand, sixty-nine".