1051233251 has 4 divisors (see below), whose sum is σ = 1051325400. Its totient is φ = 1051141104.

The previous prime is 1051233247. The next prime is 1051233277. The reversal of 1051233251 is 1523321501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1051233251 - 2² = 1051233247 is a prime.

It is a super-2 number, since 2×1051233251² = 2210182696016058002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051233451) 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, 26066 + ... + 52743.

It is an arithmetic number, because the mean of its divisors is an integer number (262831350).

Almost surely, 2^1051233251 is an apocalyptic number.

1051233251 is a deficient number, since it is larger than the sum of its proper divisors (92149).

1051233251 is an equidigital number, since it uses as much as digits as its factorization.

1051233251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92148.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1051233251 is about 32422.7273837350. The cubic root of 1051233251 is about 1016.7941286875.

Adding to 1051233251 its reverse (1523321501), we get a palindrome (2574554752).

The spelling of 1051233251 in words is "one billion, fifty-one million, two hundred thirty-three thousand, two hundred fifty-one".