5351623261 has 12 divisors (see below), whose sum is σ = 5453182492. Its totient is φ = 5251921344.

The previous prime is 5351623259. The next prime is 5351623271. The reversal of 5351623261 is 1623261535.

It can be written as a sum of positive squares in 2 ways, for example, as 2042497636 + 3309125625 = 45194^2 + 57525^2 .

It is not a de Polignac number, because 5351623261 - 2¹ = 5351623259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5351623241) 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, 3051961 + ... + 3053713.

Almost surely, 2^5351623261 is an apocalyptic number.

It is an amenable number.

5351623261 is a deficient number, since it is larger than the sum of its proper divisors (101559231).

5351623261 is an equidigital number, since it uses as much as digits as its factorization.

5351623261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748 (or 2689 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 5351623261 is about 73154.7897338240. The cubic root of 5351623261 is about 1749.1558661934.

Adding to 5351623261 its reverse (1623261535), we get a palindrome (6974884796).

The spelling of 5351623261 in words is "five billion, three hundred fifty-one million, six hundred twenty-three thousand, two hundred sixty-one".