525181223 has 8 divisors (see below), whose sum is σ = 631797120. Its totient is φ = 426462840.

The previous prime is 525181159. The next prime is 525181253. The reversal of 525181223 is 322181525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 525181223 - 2⁶ = 525181159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525181253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1974233 + ... + 1974498.

It is an arithmetic number, because the mean of its divisors is an integer number (78974640).

Almost surely, 2^525181223 is an apocalyptic number.

525181223 is a deficient number, since it is larger than the sum of its proper divisors (106615897).

525181223 is a wasteful number, since it uses less digits than its factorization.

525181223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948757.

The product of its digits is 4800, while the sum is 29.

The square root of 525181223 is about 22916.8327436406. The cubic root of 525181223 is about 806.8071346767.

The spelling of 525181223 in words is "five hundred twenty-five million, one hundred eighty-one thousand, two hundred twenty-three".