525351213 has 6 divisors (see below), whose sum is σ = 758840654. Its totient is φ = 350234136.

The previous prime is 525351209. The next prime is 525351227. The reversal of 525351213 is 312153525.

It is a happy number.

525351213 is a `hidden beast` number, since 5 + 2 + 535 + 121 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 328987044 + 196364169 = 18138^2 + 14013^2 .

It is not a de Polignac number, because 525351213 - 2² = 525351209 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 (525351263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29186170 + ... + 29186187.

Almost surely, 2^525351213 is an apocalyptic number.

It is an amenable number.

525351213 is a deficient number, since it is larger than the sum of its proper divisors (233489441).

525351213 is a wasteful number, since it uses less digits than its factorization.

525351213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58372363 (or 58372360 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 525351213 is about 22920.5412894198. The cubic root of 525351213 is about 806.8941740605.

It can be divided in two parts, 5253512 and 13, that added together give a palindrome (5253525).

The spelling of 525351213 in words is "five hundred twenty-five million, three hundred fifty-one thousand, two hundred thirteen".