525052469 has 4 divisors (see below), whose sum is σ = 525379596. Its totient is φ = 524725344.

The previous prime is 525052457. The next prime is 525052537. The reversal of 525052469 is 964250525.

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 285948100 + 239104369 = 16910^2 + 15463^2 .

It is a cyclic number.

It is not a de Polignac number, because 525052469 - 2¹² = 525048373 is a prime.

It is a super-2 number, since 2×525052469² = 551360190405991922, 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 (525022469) 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, 161144 + ... + 164369.

It is an arithmetic number, because the mean of its divisors is an integer number (131344899).

Almost surely, 2^525052469 is an apocalyptic number.

It is an amenable number.

525052469 is a deficient number, since it is larger than the sum of its proper divisors (327127).

525052469 is a wasteful number, since it uses less digits than its factorization.

525052469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327126.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 525052469 is about 22914.0234136216. The cubic root of 525052469 is about 806.7411967163.

The spelling of 525052469 in words is "five hundred twenty-five million, fifty-two thousand, four hundred sixty-nine".