5251478 has 8 divisors (see below), whose sum is σ = 7929840. Its totient is φ = 2608200.

The previous prime is 5251469. The next prime is 5251481. The reversal of 5251478 is 8741525.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8393 + ... + 8996.

It is an arithmetic number, because the mean of its divisors is an integer number (991230).

Almost surely, 2^5251478 is an apocalyptic number.

5251478 is a deficient number, since it is larger than the sum of its proper divisors (2678362).

5251478 is a wasteful number, since it uses less digits than its factorization.

5251478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17542.

The product of its digits is 11200, while the sum is 32.

The square root of 5251478 is about 2291.6103508232. The cubic root of 5251478 is about 173.8176404518.

The spelling of 5251478 in words is "five million, two hundred fifty-one thousand, four hundred seventy-eight".