523167601 has 4 divisors (see below), whose sum is σ = 570728304. Its totient is φ = 475606900.

The previous prime is 523167599. The next prime is 523167613. The reversal of 523167601 is 106761325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 523167601 - 2¹ = 523167599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523168601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23780335 + ... + 23780356.

It is an arithmetic number, because the mean of its divisors is an integer number (142682076).

Almost surely, 2^523167601 is an apocalyptic number.

It is an amenable number.

523167601 is a deficient number, since it is larger than the sum of its proper divisors (47560703).

523167601 is a wasteful number, since it uses less digits than its factorization.

523167601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47560702.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 523167601 is about 22872.8572985537. The cubic root of 523167601 is about 805.7746749699.

The spelling of 523167601 in words is "five hundred twenty-three million, one hundred sixty-seven thousand, six hundred one".