525254045 has 4 divisors (see below), whose sum is σ = 630304860. Its totient is φ = 420203232.

The previous prime is 525254021. The next prime is 525254077. The reversal of 525254045 is 540452525.

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 192155044 + 333099001 = 13862^2 + 18251^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525254045 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52525400 + ... + 52525409.

It is an arithmetic number, because the mean of its divisors is an integer number (157576215).

Almost surely, 2^525254045 is an apocalyptic number.

It is an amenable number.

525254045 is a deficient number, since it is larger than the sum of its proper divisors (105050815).

525254045 is a wasteful number, since it uses less digits than its factorization.

525254045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105050814.

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 525254045 is about 22918.4215206894. The cubic root of 525254045 is about 806.8444237693.

The spelling of 525254045 in words is "five hundred twenty-five million, two hundred fifty-four thousand, forty-five".