2015342651 has 4 divisors (see below), whose sum is σ = 2303248752. Its totient is φ = 1727436552.

The previous prime is 2015342629. The next prime is 2015342663. The reversal of 2015342651 is 1562435102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1562435102 = 2 ⋅781217551.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2015342651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2015342621) 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, 143953040 + ... + 143953053.

It is an arithmetic number, because the mean of its divisors is an integer number (575812188).

Almost surely, 2^2015342651 is an apocalyptic number.

2015342651 is a deficient number, since it is larger than the sum of its proper divisors (287906101).

2015342651 is an equidigital number, since it uses as much as digits as its factorization.

2015342651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287906100.

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

The square root of 2015342651 is about 44892.5678815547. The cubic root of 2015342651 is about 1263.1346012764.

Adding to 2015342651 its reverse (1562435102), we get a palindrome (3577777753).

The spelling of 2015342651 in words is "two billion, fifteen million, three hundred forty-two thousand, six hundred fifty-one".