2063405 has 8 divisors (see below), whose sum is σ = 2484600. Its totient is φ = 1645056.

The previous prime is 2063393. The next prime is 2063423. The reversal of 2063405 is 5043602.

It can be written as a sum of positive squares in 4 ways, for example, as 417316 + 1646089 = 646^2 + 1283^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2063405 - 2⁴ = 2063389 is a prime.

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, 1541 + ... + 2549.

It is an arithmetic number, because the mean of its divisors is an integer number (310575).

2^2063405 is an apocalyptic number.

It is an amenable number.

2063405 is a deficient number, since it is larger than the sum of its proper divisors (421195).

2063405 is a wasteful number, since it uses less digits than its factorization.

2063405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2063405 is about 1436.4557076360. The cubic root of 2063405 is about 127.3096994473.

The spelling of 2063405 in words is "two million, sixty-three thousand, four hundred five".