526212161253 has 12 divisors (see below), whose sum is σ = 772544630988. Its totient is φ = 345057154560.

The previous prime is 526212161243. The next prime is 526212161281. The reversal of 526212161253 is 352161212625.

526212161253 is a `hidden beast` number, since 5 + 2 + 621 + 2 + 1 + 6 + 1 + 25 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 65832270084 + 460379891169 = 256578^2 + 678513^2 .

It is not a de Polignac number, because 526212161253 - 2⁵ = 526212161221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526212161213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 479245500 + ... + 479246597.

It is an arithmetic number, because the mean of its divisors is an integer number (64378719249).

Almost surely, 2^526212161253 is an apocalyptic number.

It is an amenable number.

526212161253 is a deficient number, since it is larger than the sum of its proper divisors (246332469735).

526212161253 is a wasteful number, since it uses less digits than its factorization.

526212161253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958492164 (or 958492161 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

Adding to 526212161253 its reverse (352161212625), we get a palindrome (878373373878).

The spelling of 526212161253 in words is "five hundred twenty-six billion, two hundred twelve million, one hundred sixty-one thousand, two hundred fifty-three".