5145511 has 4 divisors (see below), whose sum is σ = 5880592. Its totient is φ = 4410432.

The previous prime is 5145493. The next prime is 5145521. The reversal of 5145511 is 1155415.

It is a happy number.

5145511 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

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 5145511 - 2²¹ = 3048359 is a prime.

It is a super-2 number, since 2×5145511² = 52952566902242, which contains 22 as substring.

It is a Duffinian number.

5145511 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145521) 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, 367530 + ... + 367543.

It is an arithmetic number, because the mean of its divisors is an integer number (1470148).

Almost surely, 2^5145511 is an apocalyptic number.

5145511 is a deficient number, since it is larger than the sum of its proper divisors (735081).

5145511 is an equidigital number, since it uses as much as digits as its factorization.

5145511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735080.

The product of its digits is 500, while the sum is 22.

The square root of 5145511 is about 2268.3718830915. The cubic root of 5145511 is about 172.6405603625.

The spelling of 5145511 in words is "five million, one hundred forty-five thousand, five hundred eleven".