526413253 has 4 divisors (see below), whose sum is σ = 526459500. Its totient is φ = 526367008.

The previous prime is 526413247. The next prime is 526413257. The reversal of 526413253 is 352314625.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 99660289 + 426752964 = 9983^2 + 20658^2 .

It is a cyclic number.

It is not a de Polignac number, because 526413253 - 2⁹ = 526412741 is a prime.

It is a super-2 number, since 2×526413253² = 554221825868084018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526413257) 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, 7251 + ... + 33247.

It is an arithmetic number, because the mean of its divisors is an integer number (131614875).

Almost surely, 2^526413253 is an apocalyptic number.

It is an amenable number.

526413253 is a deficient number, since it is larger than the sum of its proper divisors (46247).

526413253 is a wasteful number, since it uses less digits than its factorization.

526413253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46246.

The product of its digits is 21600, while the sum is 31.

The square root of 526413253 is about 22943.6974570360. The cubic root of 526413253 is about 807.4375420321.

Adding to 526413253 its reverse (352314625), we get a palindrome (878727878).

The spelling of 526413253 in words is "five hundred twenty-six million, four hundred thirteen thousand, two hundred fifty-three".