5155240 has 24 divisors (see below), whose sum is σ = 11631690. Its totient is φ = 2056352.

The previous prime is 5155237. The next prime is 5155261. The reversal of 5155240 is 425515.

It can be written as a sum of positive squares in only one way, i.e., 4639716 + 515524 = 2154^2 + 718^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14181 + ... + 14539.

Almost surely, 2^5155240 is an apocalyptic number.

It is an amenable number.

5155240 is an abundant number, since it is smaller than the sum of its proper divisors (6476450).

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

5155240 is an equidigital number, since it uses as much as digits as its factorization.

5155240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 5155240 is about 2270.5153600009. The cubic root of 5155240 is about 172.7492999693.

Multiplying 5155240 by its product of nonzero digits (1000), we get a square (5155240000 = 71800²).

The spelling of 5155240 in words is "five million, one hundred fifty-five thousand, two hundred forty".