525642045 has 16 divisors (see below), whose sum is σ = 868157952. Its totient is φ = 271298880.

The previous prime is 525642043. The next prime is 525642053. The reversal of 525642045 is 540246525.

It is not a de Polignac number, because 525642045 - 2¹ = 525642043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 525641997 and 525642015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525642041) 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 15 ways as a sum of consecutive naturals, for example, 564742 + ... + 565671.

It is an arithmetic number, because the mean of its divisors is an integer number (54259872).

Almost surely, 2^525642045 is an apocalyptic number.

It is an amenable number.

525642045 is a deficient number, since it is larger than the sum of its proper divisors (342515907).

525642045 is a wasteful number, since it uses less digits than its factorization.

525642045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130452.

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 525642045 is about 22926.8847643983. The cubic root of 525642045 is about 807.0430442193.

The spelling of 525642045 in words is "five hundred twenty-five million, six hundred forty-two thousand, forty-five".