525229405 has 4 divisors (see below), whose sum is σ = 630275292. Its totient is φ = 420183520.

The previous prime is 525229381. The next prime is 525229421. The reversal of 525229405 is 504922525.

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 110944089 + 414285316 = 10533^2 + 20354^2 .

It is not a de Polignac number, because 525229405 - 2¹¹ = 525227357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52522936 + ... + 52522945.

It is an arithmetic number, because the mean of its divisors is an integer number (157568823).

Almost surely, 2^525229405 is an apocalyptic number.

It is an amenable number.

525229405 is a deficient number, since it is larger than the sum of its proper divisors (105045887).

525229405 is a wasteful number, since it uses less digits than its factorization.

525229405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105045886.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 525229405 is about 22917.8839555488. The cubic root of 525229405 is about 806.8318070443.

The spelling of 525229405 in words is "five hundred twenty-five million, two hundred twenty-nine thousand, four hundred five".