531226235226245 has 16 divisors (see below), whose sum is σ = 686832647500272. Its totient is φ = 392104487301120.

The previous prime is 531226235226241. The next prime is 531226235226293. The reversal of 531226235226245 is 542622532622135.

It can be written as a sum of positive squares in 8 ways, for example, as 88077887140324 + 443148348085921 = 9384982^2 + 21051089^2 .

It is not a de Polignac number, because 531226235226245 - 2² = 531226235226241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 531226235226193 and 531226235226202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531226235226241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1933774466 + ... + 1934049155.

It is an arithmetic number, because the mean of its divisors is an integer number (42927040468767).

Almost surely, 2^{531226235226245} is an apocalyptic number.

It is an amenable number.

531226235226245 is a deficient number, since it is larger than the sum of its proper divisors (155606412274027).

531226235226245 is a wasteful number, since it uses less digits than its factorization.

531226235226245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3867825752.

The product of its digits is 10368000, while the sum is 50.

The spelling of 531226235226245 in words is "five hundred thirty-one trillion, two hundred twenty-six billion, two hundred thirty-five million, two hundred twenty-six thousand, two hundred forty-five".