2051415 has 12 divisors (see below), whose sum is σ = 3555864. Its totient is φ = 1094064.

The previous prime is 2051383. The next prime is 2051417. The reversal of 2051415 is 5141502.

It is not a de Polignac number, because 2051415 - 2⁵ = 2051383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22749 + ... + 22838.

It is an arithmetic number, because the mean of its divisors is an integer number (296322).

2^2051415 is an apocalyptic number.

2051415 is a deficient number, since it is larger than the sum of its proper divisors (1504449).

2051415 is a wasteful number, since it uses less digits than its factorization.

2051415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45598 (or 45595 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 2051415 is about 1432.2761605221. The cubic root of 2051415 is about 127.0626305671.

Adding to 2051415 its reverse (5141502), we get a palindrome (7192917).

The spelling of 2051415 in words is "two million, fifty-one thousand, four hundred fifteen".