525344623 has 4 divisors (see below), whose sum is σ = 552994360. Its totient is φ = 497694888.

The previous prime is 525344597. The next prime is 525344629. The reversal of 525344623 is 326443525.

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 525344623 - 2¹⁷ = 525213551 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 (525344629) 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, 13824840 + ... + 13824877.

It is an arithmetic number, because the mean of its divisors is an integer number (138248590).

Almost surely, 2^525344623 is an apocalyptic number.

525344623 is a deficient number, since it is larger than the sum of its proper divisors (27649737).

525344623 is a wasteful number, since it uses less digits than its factorization.

525344623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27649736.

The product of its digits is 86400, while the sum is 34.

The square root of 525344623 is about 22920.3975314566. The cubic root of 525344623 is about 806.8908001557.

The spelling of 525344623 in words is "five hundred twenty-five million, three hundred forty-four thousand, six hundred twenty-three".