525044457 has 48 divisors (see below), whose sum is σ = 913860480. Its totient is φ = 297035424.

The previous prime is 525044453. The next prime is 525044479. The reversal of 525044457 is 754440525.

It is a happy number.

It is not a de Polignac number, because 525044457 - 2² = 525044453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (525044453) 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 47 ways as a sum of consecutive naturals, for example, 134343 + ... + 138195.

It is an arithmetic number, because the mean of its divisors is an integer number (19038760).

Almost surely, 2^525044457 is an apocalyptic number.

It is an amenable number.

525044457 is a deficient number, since it is larger than the sum of its proper divisors (388816023).

525044457 is a wasteful number, since it uses less digits than its factorization.

525044457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979 (or 3966 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 36.

The square root of 525044457 is about 22913.8485855170. The cubic root of 525044457 is about 806.7370932258.

The spelling of 525044457 in words is "five hundred twenty-five million, forty-four thousand, four hundred fifty-seven".