525197493 has 8 divisors (see below), whose sum is σ = 778070400. Its totient is φ = 350131644.

The previous prime is 525197489. The next prime is 525197503. The reversal of 525197493 is 394791525.

It is a happy number.

It is not a de Polignac number, because 525197493 - 2² = 525197489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525197423) 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 7 ways as a sum of consecutive naturals, for example, 9725853 + ... + 9725906.

It is an arithmetic number, because the mean of its divisors is an integer number (97258800).

Almost surely, 2^525197493 is an apocalyptic number.

It is an amenable number.

525197493 is a deficient number, since it is larger than the sum of its proper divisors (252872907).

525197493 is a wasteful number, since it uses less digits than its factorization.

525197493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19451768 (or 19451762 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 525197493 is about 22917.1877201370. The cubic root of 525197493 is about 806.8154661605.

The spelling of 525197493 in words is "five hundred twenty-five million, one hundred ninety-seven thousand, four hundred ninety-three".