2151403001 has 4 divisors (see below), whose sum is σ = 2346985104. Its totient is φ = 1955820900.

The previous prime is 2151402991. The next prime is 2151403039. The reversal of 2151403001 is 1003041512.

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 not a de Polignac number, because 2151403001 - 2¹⁸ = 2151140857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2151403301) 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, 97791035 + ... + 97791056.

It is an arithmetic number, because the mean of its divisors is an integer number (586746276).

Almost surely, 2^2151403001 is an apocalyptic number.

It is an amenable number.

2151403001 is a deficient number, since it is larger than the sum of its proper divisors (195582103).

2151403001 is a wasteful number, since it uses less digits than its factorization.

2151403001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195582102.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2151403001 is about 46383.2189590158. The cubic root of 2151403001 is about 1290.9435640183.

Adding to 2151403001 its reverse (1003041512), we get a palindrome (3154444513).

The spelling of 2151403001 in words is "two billion, one hundred fifty-one million, four hundred three thousand, one".