4261215 has 16 divisors (see below), whose sum is σ = 7792128. Its totient is φ = 1947936.

The previous prime is 4261211. The next prime is 4261219. The reversal of 4261215 is 5121624.

4261215 is nontrivially palindromic in base 14.

It is an interprime number because it is at equal distance from previous prime (4261211) and next prime (4261219).

It is not a de Polignac number, because 4261215 - 2² = 4261211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 4261191 and 4261200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4261211) 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, 20187 + ... + 20396.

It is an arithmetic number, because the mean of its divisors is an integer number (487008).

Almost surely, 2^4261215 is an apocalyptic number.

4261215 is a deficient number, since it is larger than the sum of its proper divisors (3530913).

4261215 is a wasteful number, since it uses less digits than its factorization.

4261215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40598.

The product of its digits is 480, while the sum is 21.

The square root of 4261215 is about 2064.2710577829. The cubic root of 4261215 is about 162.1229443187.

Adding to 4261215 its reverse (5121624), we get a palindrome (9382839).

The spelling of 4261215 in words is "four million, two hundred sixty-one thousand, two hundred fifteen".