2151345403 has 2 divisors, whose sum is σ = 2151345404. Its totient is φ = 2151345402.

The previous prime is 2151345397. The next prime is 2151345421. The reversal of 2151345403 is 3045431512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2151345403 - 2⁹ = 2151344891 is a prime.

It is not a weakly prime, because it can be changed into another prime (2151345803) 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 as a sum of consecutive naturals, namely, 1075672701 + 1075672702.

It is an arithmetic number, because the mean of its divisors is an integer number (1075672702).

Almost surely, 2^2151345403 is an apocalyptic number.

2151345403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151345403 is an equidigital number, since it uses as much as digits as its factorization.

2151345403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2151345403 is about 46382.5980622043. The cubic root of 2151345403 is about 1290.9320434073.

Adding to 2151345403 its reverse (3045431512), we get a palindrome (5196776915).

The spelling of 2151345403 in words is "two billion, one hundred fifty-one million, three hundred forty-five thousand, four hundred three".