5206145 has 8 divisors (see below), whose sum is σ = 7139904. Its totient is φ = 3569904.

The previous prime is 5206127. The next prime is 5206147. The reversal of 5206145 is 5416025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5206145 - 2⁶ = 5206081 is a prime.

It is a super-2 number, since 2×5206145² = 54207891522050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5206145.

It is not an unprimeable number, because it can be changed into a prime (5206147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74339 + ... + 74408.

It is an arithmetic number, because the mean of its divisors is an integer number (892488).

Almost surely, 2^5206145 is an apocalyptic number.

It is an amenable number.

5206145 is a deficient number, since it is larger than the sum of its proper divisors (1933759).

5206145 is a wasteful number, since it uses less digits than its factorization.

5206145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148759.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 5206145 is about 2281.6978327552. The cubic root of 5206145 is about 173.3160382974.

The spelling of 5206145 in words is "five million, two hundred six thousand, one hundred forty-five".