2004797251 has 4 divisors (see below), whose sum is σ = 2033033904. Its totient is φ = 1976560600.

The previous prime is 2004797243. The next prime is 2004797273. The reversal of 2004797251 is 1527974002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2004797251 - 2³ = 2004797243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2004797251.

It is not an unprimeable number, because it can be changed into a prime (2004797281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14118220 + ... + 14118361.

It is an arithmetic number, because the mean of its divisors is an integer number (508258476).

Almost surely, 2^2004797251 is an apocalyptic number.

2004797251 is a deficient number, since it is larger than the sum of its proper divisors (28236653).

2004797251 is an equidigital number, since it uses as much as digits as its factorization.

2004797251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28236652.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 2004797251 is about 44774.9623227089. The cubic root of 2004797251 is about 1260.9276051264.

The spelling of 2004797251 in words is "two billion, four million, seven hundred ninety-seven thousand, two hundred fifty-one".