523649097 has 8 divisors (see below), whose sum is σ = 775776480. Its totient is φ = 349099380.

The previous prime is 523649059. The next prime is 523649107. The reversal of 523649097 is 790946325.

It is a happy number.

It is not a de Polignac number, because 523649097 - 2¹⁴ = 523632713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (523649017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9697179 + ... + 9697232.

It is an arithmetic number, because the mean of its divisors is an integer number (96972060).

Almost surely, 2^523649097 is an apocalyptic number.

It is an amenable number.

523649097 is a deficient number, since it is larger than the sum of its proper divisors (252127383).

523649097 is a wasteful number, since it uses less digits than its factorization.

523649097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19394420 (or 19394414 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 523649097 is about 22883.3803665455. The cubic root of 523649097 is about 806.0217967453.

The spelling of 523649097 in words is "five hundred twenty-three million, six hundred forty-nine thousand, ninety-seven".