2519172023 has 4 divisors (see below), whose sum is σ = 2524007808. Its totient is φ = 2514336240.

The previous prime is 2519172017. The next prime is 2519172041. The reversal of 2519172023 is 3202719152.

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 2519172023 - 2¹² = 2519167927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2519172823) 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, 2417111 + ... + 2418152.

It is an arithmetic number, because the mean of its divisors is an integer number (631001952).

Almost surely, 2^2519172023 is an apocalyptic number.

2519172023 is a deficient number, since it is larger than the sum of its proper divisors (4835785).

2519172023 is an equidigital number, since it uses as much as digits as its factorization.

2519172023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4835784.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 2519172023 is about 50191.3540662134. The cubic root of 2519172023 is about 1360.6693689872.

The spelling of 2519172023 in words is "two billion, five hundred nineteen million, one hundred seventy-two thousand, twenty-three".