523249607 has 4 divisors (see below), whose sum is σ = 550789080. Its totient is φ = 495710136.

The previous prime is 523249603. The next prime is 523249633. The reversal of 523249607 is 706942325.

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

It is a cyclic number.

It is not a de Polignac number, because 523249607 - 2² = 523249603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523249603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13769708 + ... + 13769745.

It is an arithmetic number, because the mean of its divisors is an integer number (137697270).

Almost surely, 2^523249607 is an apocalyptic number.

523249607 is a deficient number, since it is larger than the sum of its proper divisors (27539473).

523249607 is a wasteful number, since it uses less digits than its factorization.

523249607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27539472.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 523249607 is about 22874.6498771019. The cubic root of 523249607 is about 805.8167742294.

The spelling of 523249607 in words is "five hundred twenty-three million, two hundred forty-nine thousand, six hundred seven".