2151001535 has 8 divisors (see below), whose sum is σ = 2586336480. Its totient is φ = 1717378144.

The previous prime is 2151001507. The next prime is 2151001553. The reversal of 2151001535 is 5351001512.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2151001535 - 2⁶ = 2151001471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2151001535.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 425120 + ... + 430149.

It is an arithmetic number, because the mean of its divisors is an integer number (323292060).

Almost surely, 2^2151001535 is an apocalyptic number.

2151001535 is a deficient number, since it is larger than the sum of its proper divisors (435334945).

2151001535 is an equidigital number, since it uses as much as digits as its factorization.

2151001535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855777.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 2151001535 is about 46378.8910497006. The cubic root of 2151001535 is about 1290.8632594930.

Subtracting from 2151001535 its sum of digits (23), we obtain a palindrome (2151001512).

The spelling of 2151001535 in words is "two billion, one hundred fifty-one million, one thousand, five hundred thirty-five".