2030442251 has 4 divisors (see below), whose sum is σ = 2030617512. Its totient is φ = 2030266992.

The previous prime is 2030442217. The next prime is 2030442257. The reversal of 2030442251 is 1522440302.

It is a happy number.

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 2030442251 - 2¹⁰ = 2030441227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2030442257) 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, 68921 + ... + 93866.

It is an arithmetic number, because the mean of its divisors is an integer number (507654378).

Almost surely, 2^2030442251 is an apocalyptic number.

2030442251 is a deficient number, since it is larger than the sum of its proper divisors (175261).

2030442251 is a wasteful number, since it uses less digits than its factorization.

2030442251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175260.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2030442251 is about 45060.4288816696. The cubic root of 2030442251 is about 1266.2813600063.

Adding to 2030442251 its reverse (1522440302), we get a palindrome (3552882553).

The spelling of 2030442251 in words is "two billion, thirty million, four hundred forty-two thousand, two hundred fifty-one".