5231963521 has 2 divisors, whose sum is σ = 5231963522. Its totient is φ = 5231963520.

The previous prime is 5231963497. The next prime is 5231963549. The reversal of 5231963521 is 1253691325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4686087025 + 545876496 = 68455^2 + 23364^2 .

It is a cyclic number.

It is not a de Polignac number, because 5231963521 - 2¹³ = 5231955329 is a prime.

It is not a weakly prime, because it can be changed into another prime (5231963551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2615981760 + 2615981761.

It is an arithmetic number, because the mean of its divisors is an integer number (2615981761).

Almost surely, 2^5231963521 is an apocalyptic number.

It is an amenable number.

5231963521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5231963521 is an equidigital number, since it uses as much as digits as its factorization.

5231963521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 37.

The square root of 5231963521 is about 72332.3131179973. The cubic root of 5231963521 is about 1736.0207124149.

The spelling of 5231963521 in words is "five billion, two hundred thirty-one million, nine hundred sixty-three thousand, five hundred twenty-one".