5133645 has 32 divisors (see below), whose sum is σ = 9959040. Its totient is φ = 2488320.

The previous prime is 5133637. The next prime is 5133659. The reversal of 5133645 is 5463315.

5133645 is a `hidden beast` number, since 5 + 13 + 3 + 645 = 666.

It is not a de Polignac number, because 5133645 - 2³ = 5133637 is a prime.

It is a super-3 number, since 3×5133645³ (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244 + ... + 3213.

It is an arithmetic number, because the mean of its divisors is an integer number (311220).

Almost surely, 2^5133645 is an apocalyptic number.

5133645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5133645 is a deficient number, since it is larger than the sum of its proper divisors (4825395).

5133645 is a wasteful number, since it uses less digits than its factorization.

5133645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3482 (or 3476 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 5133645 is about 2265.7548411070. The cubic root of 5133645 is about 172.5077501244.

It can be divided in two parts, 5133 and 645, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 5133645 in words is "five million, one hundred thirty-three thousand, six hundred forty-five".