7258215 has 16 divisors (see below), whose sum is σ = 11684448. Its totient is φ = 3847296.

The previous prime is 7258211. The next prime is 7258243. The reversal of 7258215 is 5128527.

7258215 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7258215 - 2² = 7258211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7258211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1197 + ... + 3993.

It is an arithmetic number, because the mean of its divisors is an integer number (730278).

Almost surely, 2^7258215 is an apocalyptic number.

7258215 is a deficient number, since it is larger than the sum of its proper divisors (4426233).

7258215 is a wasteful number, since it uses less digits than its factorization.

7258215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978.

The product of its digits is 5600, while the sum is 30.

The square root of 7258215 is about 2694.1074588813. The cubic root of 7258215 is about 193.6169061660.

The spelling of 7258215 in words is "seven million, two hundred fifty-eight thousand, two hundred fifteen".