5215951 has 8 divisors (see below), whose sum is σ = 5634944. Its totient is φ = 4799520.

The previous prime is 5215939. The next prime is 5215961. The reversal of 5215951 is 1595125.

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 5215951 - 2¹⁵ = 5183183 is a prime.

It is a super-2 number, since 2×5215951² = 54412289668802, which contains 22 as substring.

It is a Duffinian number.

5215951 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5215901) 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, 7561 + ... + 8221.

It is an arithmetic number, because the mean of its divisors is an integer number (704368).

Almost surely, 2^5215951 is an apocalyptic number.

5215951 is a deficient number, since it is larger than the sum of its proper divisors (418993).

5215951 is a wasteful number, since it uses less digits than its factorization.

5215951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281.

The product of its digits is 2250, while the sum is 28.

The square root of 5215951 is about 2283.8456602844. The cubic root of 5215951 is about 173.4247861416.

The spelling of 5215951 in words is "five million, two hundred fifteen thousand, nine hundred fifty-one".