2151455017 has 2 divisors, whose sum is σ = 2151455018. Its totient is φ = 2151455016.

The previous prime is 2151455011. The next prime is 2151455069. The reversal of 2151455017 is 7105541512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2026440256 + 125014761 = 45016^2 + 11181^2 .

It is a cyclic number.

It is not a de Polignac number, because 2151455017 - 2¹⁵ = 2151422249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2151455017.

It is not a weakly prime, because it can be changed into another prime (2151455011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075727508 + 1075727509.

It is an arithmetic number, because the mean of its divisors is an integer number (1075727509).

Almost surely, 2^2151455017 is an apocalyptic number.

It is an amenable number.

2151455017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151455017 is an equidigital number, since it uses as much as digits as its factorization.

2151455017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7000, while the sum is 31.

The square root of 2151455017 is about 46383.7796756582. The cubic root of 2151455017 is about 1290.9539679546.

Adding to 2151455017 its reverse (7105541512), we get a palindrome (9256996529).

The spelling of 2151455017 in words is "two billion, one hundred fifty-one million, four hundred fifty-five thousand, seventeen".