5402512 has 30 divisors (see below), whose sum is σ = 10757558. Its totient is φ = 2628096.

The previous prime is 5402491. The next prime is 5402519. The reversal of 5402512 is 2152045.

It can be written as a sum of positive squares in only one way, i.e., 4511376 + 891136 = 2124^2 + 944^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5402512.

It is not an unprimeable number, because it can be changed into a prime (5402519) by changing a digit.

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, 55648 + ... + 55744.

Almost surely, 2^5402512 is an apocalyptic number.

It is an amenable number.

5402512 is a deficient number, since it is larger than the sum of its proper divisors (5355046).

5402512 is an equidigital number, since it uses as much as digits as its factorization.

5402512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 5402512 is about 2324.3304412239. The cubic root of 5402512 is about 175.4682642702.

Adding to 5402512 its reverse (2152045), we get a palindrome (7554557).

The spelling of 5402512 in words is "five million, four hundred two thousand, five hundred twelve".