5143551 has 16 divisors (see below), whose sum is σ = 8091648. Its totient is φ = 2844000.

The previous prime is 5143543. The next prime is 5143583. The reversal of 5143551 is 1553415.

It is not a de Polignac number, because 5143551 - 2³ = 5143543 is a prime.

It is a super-2 number, since 2×5143551² = 52912233779202, which contains 22 as substring.

5143551 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5143591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3300 + ... + 4601.

It is an arithmetic number, because the mean of its divisors is an integer number (505728).

Almost surely, 2^5143551 is an apocalyptic number.

5143551 is a deficient number, since it is larger than the sum of its proper divisors (2948097).

5143551 is a wasteful number, since it uses less digits than its factorization.

5143551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7942.

The product of its digits is 1500, while the sum is 24.

The square root of 5143551 is about 2267.9398140162. The cubic root of 5143551 is about 172.6186371450.

Adding to 5143551 its reverse (1553415), we get a palindrome (6696966).

The spelling of 5143551 in words is "five million, one hundred forty-three thousand, five hundred fifty-one".