10457215 has 4 divisors (see below), whose sum is σ = 12548664. Its totient is φ = 8365768.

The previous prime is 10457207. The next prime is 10457221. The reversal of 10457215 is 51275401.

10457215 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10457215 - 2³ = 10457207 is a prime.

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 10457215.

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, 1045717 + ... + 1045726.

It is an arithmetic number, because the mean of its divisors is an integer number (3137166).

Almost surely, 2^10457215 is an apocalyptic number.

10457215 is a deficient number, since it is larger than the sum of its proper divisors (2091449).

10457215 is an equidigital number, since it uses as much as digits as its factorization.

10457215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091448.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 10457215 is about 3233.7617413780. The cubic root of 10457215 is about 218.6781271362.

The spelling of 10457215 in words is "ten million, four hundred fifty-seven thousand, two hundred fifteen".