2001506454 has 24 divisors (see below), whose sum is σ = 4339147800. Its totient is φ = 666776448.

The previous prime is 2001506449. The next prime is 2001506459. The reversal of 2001506454 is 4546051002.

2001506454 is a `hidden beast` number, since 2 + 0 + 0 + 15 + 0 + 645 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (2001506449) and next prime (2001506459).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001506459) 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, 379 + ... + 63270.

It is an arithmetic number, because the mean of its divisors is an integer number (180797825).

Almost surely, 2^2001506454 is an apocalyptic number.

2001506454 is an abundant number, since it is smaller than the sum of its proper divisors (2337641346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001506454 is a wasteful number, since it uses less digits than its factorization.

2001506454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65404 (or 65401 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2001506454 is about 44738.1990473466. The cubic root of 2001506454 is about 1260.2373060215.

Adding to 2001506454 its reverse (4546051002), we get a palindrome (6547557456).

The spelling of 2001506454 in words is "two billion, one million, five hundred six thousand, four hundred fifty-four".