4245215 has 16 divisors (see below), whose sum is σ = 5529216. Its totient is φ = 3110400.

The previous prime is 4245209. The next prime is 4245217. The reversal of 4245215 is 5125424.

It is a happy number.

It is not a de Polignac number, because 4245215 - 2¹² = 4241119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4245217) 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, 15530 + ... + 15800.

It is an arithmetic number, because the mean of its divisors is an integer number (345576).

Almost surely, 2^4245215 is an apocalyptic number.

4245215 is a deficient number, since it is larger than the sum of its proper divisors (1284001).

4245215 is a wasteful number, since it uses less digits than its factorization.

4245215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530.

The product of its digits is 1600, while the sum is 23.

The square root of 4245215 is about 2060.3919530031. The cubic root of 4245215 is about 161.9197768727.

The spelling of 4245215 in words is "four million, two hundred forty-five thousand, two hundred fifteen".