2075721503 has 4 divisors (see below), whose sum is σ = 2165970288. Its totient is φ = 1985472720.

The previous prime is 2075721491. The next prime is 2075721509. The reversal of 2075721503 is 3051275702.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2075721503 - 2¹² = 2075717407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2075721503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2075721509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45124358 + ... + 45124403.

It is an arithmetic number, because the mean of its divisors is an integer number (541492572).

Almost surely, 2^2075721503 is an apocalyptic number.

2075721503 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2075721503 is a deficient number, since it is larger than the sum of its proper divisors (90248785).

2075721503 is an equidigital number, since it uses as much as digits as its factorization.

2075721503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90248784.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 2075721503 is about 45560.0867316997. The cubic root of 2075721503 is about 1275.6250177686.

The spelling of 2075721503 in words is "two billion, seventy-five million, seven hundred twenty-one thousand, five hundred three".