2151245063 has 4 divisors (see below), whose sum is σ = 2346812808. Its totient is φ = 1955677320.

The previous prime is 2151245051. The next prime is 2151245081. The reversal of 2151245063 is 3605421512.

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 2151245063 - 2¹⁴ = 2151228679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151245003) 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, 97783856 + ... + 97783877.

It is an arithmetic number, because the mean of its divisors is an integer number (586703202).

Almost surely, 2^2151245063 is an apocalyptic number.

2151245063 is a deficient number, since it is larger than the sum of its proper divisors (195567745).

2151245063 is a wasteful number, since it uses less digits than its factorization.

2151245063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195567744.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2151245063 is about 46381.5163939257. The cubic root of 2151245063 is about 1290.9119731550.

Adding to 2151245063 its reverse (3605421512), we get a palindrome (5756666575).

The spelling of 2151245063 in words is "two billion, one hundred fifty-one million, two hundred forty-five thousand, sixty-three".