525220214 has 4 divisors (see below), whose sum is σ = 787830324. Its totient is φ = 262610106.

The previous prime is 525220207. The next prime is 525220237. The reversal of 525220214 is 412022525.

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

It is a self number, because there is not a number n which added to its sum of digits gives 525220214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131305052 + ... + 131305055.

It is an arithmetic number, because the mean of its divisors is an integer number (196957581).

Almost surely, 2^525220214 is an apocalyptic number.

525220214 is a deficient number, since it is larger than the sum of its proper divisors (262610110).

525220214 is a wasteful number, since it uses less digits than its factorization.

525220214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262610109.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 525220214 is about 22917.6834344137. The cubic root of 525220214 is about 806.8271007615.

Adding to 525220214 its reverse (412022525), we get a palindrome (937242739).

The spelling of 525220214 in words is "five hundred twenty-five million, two hundred twenty thousand, two hundred fourteen".