5231265401 has 4 divisors (see below), whose sum is σ = 5231866212. Its totient is φ = 5230664592.

The previous prime is 5231265367. The next prime is 5231265419. The reversal of 5231265401 is 1045621325.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4987749376 + 243516025 = 70624^2 + 15605^2 .

It is a cyclic number.

It is not a de Polignac number, because 5231265401 - 2¹⁴ = 5231249017 is a prime.

It is a super-2 number, since 2×5231265401² = 54732275391399381602, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5231265101) 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, 287150 + ... + 304823.

It is an arithmetic number, because the mean of its divisors is an integer number (1307966553).

Almost surely, 2^5231265401 is an apocalyptic number.

It is an amenable number.

5231265401 is a deficient number, since it is larger than the sum of its proper divisors (600811).

5231265401 is an equidigital number, since it uses as much as digits as its factorization.

5231265401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600810.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 5231265401 is about 72327.4871746558. The cubic root of 5231265401 is about 1735.9434944524.

Adding to 5231265401 its reverse (1045621325), we get a palindrome (6276886726).

The spelling of 5231265401 in words is "five billion, two hundred thirty-one million, two hundred sixty-five thousand, four hundred one".