14512621531 has 2 divisors, whose sum is σ = 14512621532. Its totient is φ = 14512621530.

The previous prime is 14512621517. The next prime is 14512621537. The reversal of 14512621531 is 13512621541.

It is a strong prime.

It is an emirp because it is prime and its reverse (13512621541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14512621531 - 2⁵ = 14512621499 is a prime.

It is a super-2 number, since 2×14512621531² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14512621493 and 14512621502.

It is not a weakly prime, because it can be changed into another prime (14512621537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7256310765 + 7256310766.

It is an arithmetic number, because the mean of its divisors is an integer number (7256310766).

Almost surely, 2^14512621531 is an apocalyptic number.

14512621531 is a deficient number, since it is larger than the sum of its proper divisors (1).

14512621531 is an equidigital number, since it uses as much as digits as its factorization.

14512621531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 31.

The spelling of 14512621531 in words is "fourteen billion, five hundred twelve million, six hundred twenty-one thousand, five hundred thirty-one".