5201423552531 has 4 divisors (see below), whose sum is σ = 5202003495000. Its totient is φ = 5200843610064.

The previous prime is 5201423552527. The next prime is 5201423552539. The reversal of 5201423552531 is 1352553241025.

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

It is a cyclic number.

It is not a de Polignac number, because 5201423552531 - 2² = 5201423552527 is a prime.

It is a super-2 number, since 2×5201423552531² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5201423552539) 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, 289957781 + ... + 289975718.

It is an arithmetic number, because the mean of its divisors is an integer number (1300500873750).

Almost surely, 2^{5201423552531} is an apocalyptic number.

5201423552531 is a deficient number, since it is larger than the sum of its proper divisors (579942469).

5201423552531 is an equidigital number, since it uses as much as digits as its factorization.

5201423552531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579942468.

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 5201423552531 its reverse (1352553241025), we get a palindrome (6553976793556).

The spelling of 5201423552531 in words is "five trillion, two hundred one billion, four hundred twenty-three million, five hundred fifty-two thousand, five hundred thirty-one".