5191272 has 24 divisors (see below), whose sum is σ = 14059890. Its totient is φ = 1730400.

The previous prime is 5191271. The next prime is 5191279. The reversal of 5191272 is 2721915.

5191272 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4955076 + 236196 = 2226^2 + 486^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5191271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35979 + ... + 36122.

Almost surely, 2^5191272 is an apocalyptic number.

It is an amenable number.

5191272 is an abundant number, since it is smaller than the sum of its proper divisors (8868618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5191272 is a wasteful number, since it uses less digits than its factorization.

5191272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72113 (or 72106 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 5191272 is about 2278.4363058905. The cubic root of 5191272 is about 173.1508368517.

It can be divided in two parts, 51912 and 72, that added together give a square (51984 = 228²).

The spelling of 5191272 in words is "five million, one hundred ninety-one thousand, two hundred seventy-two".