5102645 has 4 divisors (see below), whose sum is σ = 6123180. Its totient is φ = 4082112.

The previous prime is 5102639. The next prime is 5102651. The reversal of 5102645 is 5462015.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5102639) and next prime (5102651).

It can be written as a sum of positive squares in 2 ways, for example, as 813604 + 4289041 = 902^2 + 2071^2 .

It is a cyclic number.

It is not a de Polignac number, because 5102645 - 2¹² = 5098549 is a prime.

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 5102645.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510260 + ... + 510269.

It is an arithmetic number, because the mean of its divisors is an integer number (1530795).

Almost surely, 2^5102645 is an apocalyptic number.

It is an amenable number.

5102645 is a deficient number, since it is larger than the sum of its proper divisors (1020535).

5102645 is a wasteful number, since it uses less digits than its factorization.

5102645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020534.

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

The square root of 5102645 is about 2258.9034950613. The cubic root of 5102645 is about 172.1598140549.

The spelling of 5102645 in words is "five million, one hundred two thousand, six hundred forty-five".