2151303254 has 4 divisors (see below), whose sum is σ = 3226954884. Its totient is φ = 1075651626.

The previous prime is 2151303239. The next prime is 2151303263. The reversal of 2151303254 is 4523031512.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537825812 + ... + 537825815.

It is an arithmetic number, because the mean of its divisors is an integer number (806738721).

Almost surely, 2^2151303254 is an apocalyptic number.

2151303254 is a deficient number, since it is larger than the sum of its proper divisors (1075651630).

2151303254 is a wasteful number, since it uses less digits than its factorization.

2151303254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075651629.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2151303254 is about 46382.1436977637. The cubic root of 2151303254 is about 1290.9236127372.

Adding to 2151303254 its reverse (4523031512), we get a palindrome (6674334766).

The spelling of 2151303254 in words is "two billion, one hundred fifty-one million, three hundred three thousand, two hundred fifty-four".