2142415 has 8 divisors (see below), whose sum is σ = 2804688. Its totient is φ = 1558080.

The previous prime is 2142403. The next prime is 2142431. The reversal of 2142415 is 5142412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2142415 - 2⁹ = 2141903 is a prime.

It is a Duffinian number.

2142415 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2142392 and 2142401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19422 + ... + 19531.

It is an arithmetic number, because the mean of its divisors is an integer number (350586).

2^2142415 is an apocalyptic number.

2142415 is a deficient number, since it is larger than the sum of its proper divisors (662273).

2142415 is a wasteful number, since it uses less digits than its factorization.

2142415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38969.

The product of its digits is 320, while the sum is 19.

The square root of 2142415 is about 1463.6990810956. The cubic root of 2142415 is about 128.9143312779.

Adding to 2142415 its reverse (5142412), we get a palindrome (7284827).

It can be divided in two parts, 21 and 42415, that added together give a square (42436 = 206²).

The spelling of 2142415 in words is "two million, one hundred forty-two thousand, four hundred fifteen".