525314221 has 8 divisors (see below), whose sum is σ = 535479840. Its totient is φ = 515240112.

The previous prime is 525314201. The next prime is 525314239. The reversal of 525314221 is 122413525.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525314221 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 (525314201) 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, 11230 + ... + 34303.

It is an arithmetic number, because the mean of its divisors is an integer number (66934980).

Almost surely, 2^525314221 is an apocalyptic number.

It is an amenable number.

525314221 is a deficient number, since it is larger than the sum of its proper divisors (10165619).

525314221 is a wasteful number, since it uses less digits than its factorization.

525314221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45755.

The product of its digits is 2400, while the sum is 25.

The square root of 525314221 is about 22919.7343134688. The cubic root of 525314221 is about 806.8752347749.

Adding to 525314221 its reverse (122413525), we get a palindrome (647727746).

The spelling of 525314221 in words is "five hundred twenty-five million, three hundred fourteen thousand, two hundred twenty-one".