2034021251 has 4 divisors (see below), whose sum is σ = 2036530104. Its totient is φ = 2031512400.

The previous prime is 2034021247. The next prime is 2034021263. The reversal of 2034021251 is 1521204302.

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 2034021251 - 2² = 2034021247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2034021551) by changing a digit.

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, 1253210 + ... + 1254831.

It is an arithmetic number, because the mean of its divisors is an integer number (509132526).

Almost surely, 2^2034021251 is an apocalyptic number.

2034021251 is a deficient number, since it is larger than the sum of its proper divisors (2508853).

2034021251 is an equidigital number, since it uses as much as digits as its factorization.

2034021251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508852.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2034021251 is about 45100.1247337521. The cubic root of 2034021251 is about 1267.0249354138.

Adding to 2034021251 its reverse (1521204302), we get a palindrome (3555225553).

The spelling of 2034021251 in words is "two billion, thirty-four million, twenty-one thousand, two hundred fifty-one".