2051254002 has 32 divisors (see below), whose sum is σ = 4702777344. Its totient is φ = 584298000.

The previous prime is 2051253979. The next prime is 2051254021. The reversal of 2051254002 is 2004521502.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2051254002.

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 15 ways as a sum of consecutive naturals, for example, 59874 + ... + 87677.

It is an arithmetic number, because the mean of its divisors is an integer number (146961792).

Almost surely, 2^2051254002 is an apocalyptic number.

2051254002 is an abundant number, since it is smaller than the sum of its proper divisors (2651523342).

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

2051254002 is a wasteful number, since it uses less digits than its factorization.

2051254002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147894.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2051254002 is about 45290.7717090358. The cubic root of 2051254002 is about 1270.5930646076.

Adding to 2051254002 its reverse (2004521502), we get a palindrome (4055775504).

The spelling of 2051254002 in words is "two billion, fifty-one million, two hundred fifty-four thousand, two".