5216425 has 6 divisors (see below), whose sum is σ = 6468398. Its totient is φ = 4173120.

The previous prime is 5216411. The next prime is 5216443. The reversal of 5216425 is 5246125.

It can be written as a sum of positive squares in 3 ways, for example, as 1022121 + 4194304 = 1011^2 + 2048^2 .

It is not a de Polignac number, because 5216425 - 2⁹ = 5215913 is a prime.

It is a super-2 number, since 2×5216425² = 54422179561250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 208657 = 5216425 / (5 + 2 + 1 + 6 + 4 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5216425.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104304 + ... + 104353.

Almost surely, 2^5216425 is an apocalyptic number.

It is an amenable number.

5216425 is a deficient number, since it is larger than the sum of its proper divisors (1251973).

5216425 is a wasteful number, since it uses less digits than its factorization.

5216425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208667 (or 208662 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 5216425 is about 2283.9494302633. The cubic root of 5216425 is about 173.4300393133.

The spelling of 5216425 in words is "five million, two hundred sixteen thousand, four hundred twenty-five".