525359894 has 4 divisors (see below), whose sum is σ = 788039844. Its totient is φ = 262679946.

The previous prime is 525359893. The next prime is 525359917. The reversal of 525359894 is 498953525.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525359893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131339972 + ... + 131339975.

It is an arithmetic number, because the mean of its divisors is an integer number (197009961).

Almost surely, 2^525359894 is an apocalyptic number.

525359894 is a deficient number, since it is larger than the sum of its proper divisors (262679950).

525359894 is a wasteful number, since it uses less digits than its factorization.

525359894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262679949.

The product of its digits is 1944000, while the sum is 50.

The square root of 525359894 is about 22920.7306602560. The cubic root of 525359894 is about 806.8986184585.

The spelling of 525359894 in words is "five hundred twenty-five million, three hundred fifty-nine thousand, eight hundred ninety-four".