2005451502 has 8 divisors (see below), whose sum is σ = 4010903016. Its totient is φ = 668483832.

The previous prime is 2005451479. The next prime is 2005451519. The reversal of 2005451502 is 2051545002.

It is a happy number.

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

2005451502 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167120953 + ... + 167120964.

It is an arithmetic number, because the mean of its divisors is an integer number (501362877).

Almost surely, 2^2005451502 is an apocalyptic number.

2005451502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2005451502 is a wasteful number, since it uses less digits than its factorization.

2005451502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334241922.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 2005451502 is about 44782.2677183726. The cubic root of 2005451502 is about 1261.0647550588.

Adding to 2005451502 its reverse (2051545002), we get a palindrome (4056996504).

The spelling of 2005451502 in words is "two billion, five million, four hundred fifty-one thousand, five hundred two".