5172261503 has 4 divisors (see below), whose sum is σ = 5179223568. Its totient is φ = 5165299440.

The previous prime is 5172261469. The next prime is 5172261517. The reversal of 5172261503 is 3051622715.

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 5172261503 - 2⁶ = 5172261439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5172261503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172261533) 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, 3479918 + ... + 3481403.

It is an arithmetic number, because the mean of its divisors is an integer number (1294805892).

Almost surely, 2^5172261503 is an apocalyptic number.

5172261503 is a deficient number, since it is larger than the sum of its proper divisors (6962065).

5172261503 is an equidigital number, since it uses as much as digits as its factorization.

5172261503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6962064.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 5172261503 is about 71918.4364610355. The cubic root of 5172261503 is about 1729.3921821442.

The spelling of 5172261503 in words is "five billion, one hundred seventy-two million, two hundred sixty-one thousand, five hundred three".