2151700001 has 4 divisors (see below), whose sum is σ = 2347309104. Its totient is φ = 1956090900.

The previous prime is 2151699983. The next prime is 2151700007. The reversal of 2151700001 is 1000071512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2151700001 - 2⁶ = 2151699937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2151700007) 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, 97804535 + ... + 97804556.

It is an arithmetic number, because the mean of its divisors is an integer number (586827276).

Almost surely, 2^2151700001 is an apocalyptic number.

It is an amenable number.

2151700001 is a deficient number, since it is larger than the sum of its proper divisors (195609103).

2151700001 is a wasteful number, since it uses less digits than its factorization.

2151700001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195609102.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 2151700001 is about 46386.4204374513. The cubic root of 2151700001 is about 1291.0029659677.

Adding to 2151700001 its reverse (1000071512), we get a palindrome (3151771513).

The spelling of 2151700001 in words is "two billion, one hundred fifty-one million, seven hundred thousand, one".