5162431261 has 16 divisors (see below), whose sum is σ = 5746293504. Its totient is φ = 4607694144.

The previous prime is 5162431243. The next prime is 5162431273. The reversal of 5162431261 is 1621342615.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5162431261 - 2¹³ = 5162423069 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 (5162431231) 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, 186 + ... + 101611.

It is an arithmetic number, because the mean of its divisors is an integer number (359143344).

Almost surely, 2^5162431261 is an apocalyptic number.

It is an amenable number.

5162431261 is a deficient number, since it is larger than the sum of its proper divisors (583862243).

5162431261 is a wasteful number, since it uses less digits than its factorization.

5162431261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101940.

The product of its digits is 8640, while the sum is 31.

The square root of 5162431261 is about 71850.0609672671. The cubic root of 5162431261 is about 1728.2958773556.

Adding to 5162431261 its reverse (1621342615), we get a palindrome (6783773876).

The spelling of 5162431261 in words is "five billion, one hundred sixty-two million, four hundred thirty-one thousand, two hundred sixty-one".