2042451 has 12 divisors (see below), whose sum is σ = 2966080. Its totient is φ = 1354320.

The previous prime is 2042449. The next prime is 2042459. The reversal of 2042451 is 1542402.

It is not a de Polignac number, because 2042451 - 2¹ = 2042449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042459) 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, 1566 + ... + 2556.

2^2042451 is an apocalyptic number.

2042451 is a deficient number, since it is larger than the sum of its proper divisors (923629).

2042451 is a wasteful number, since it uses less digits than its factorization.

2042451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 1223 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2042451 is about 1429.1434497628. The cubic root of 2042451 is about 126.8772865548.

Adding to 2042451 its reverse (1542402), we get a palindrome (3584853).

The spelling of 2042451 in words is "two million, forty-two thousand, four hundred fifty-one".