2151302015 has 4 divisors (see below), whose sum is σ = 2581562424. Its totient is φ = 1721041608.

The previous prime is 2151302011. The next prime is 2151302039. The reversal of 2151302015 is 5102031512.

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 2151302015 - 2² = 2151302011 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 (2151302011) 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, 215130197 + ... + 215130206.

It is an arithmetic number, because the mean of its divisors is an integer number (645390606).

Almost surely, 2^2151302015 is an apocalyptic number.

2151302015 is a deficient number, since it is larger than the sum of its proper divisors (430260409).

2151302015 is an equidigital number, since it uses as much as digits as its factorization.

2151302015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430260408.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 2151302015 is about 46382.1303413287. The cubic root of 2151302015 is about 1290.9233649100.

Adding to 2151302015 its reverse (5102031512), we get a palindrome (7253333527).

The spelling of 2151302015 in words is "two billion, one hundred fifty-one million, three hundred two thousand, fifteen".