2500023205 has 8 divisors (see below), whose sum is σ = 3029731704. Its totient is φ = 1980216000.

The previous prime is 2500023199. The next prime is 2500023209. The reversal of 2500023205 is 5023200052.

It can be written as a sum of positive squares in 4 ways, for example, as 1296072001 + 1203951204 = 36001^2 + 34698^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-2500023205 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 (2500023209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2474766 + ... + 2475775.

It is an arithmetic number, because the mean of its divisors is an integer number (378716463).

Almost surely, 2^2500023205 is an apocalyptic number.

It is an amenable number.

2500023205 is a deficient number, since it is larger than the sum of its proper divisors (529708499).

2500023205 is a wasteful number, since it uses less digits than its factorization.

2500023205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4950647.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 2500023205 is about 50000.2320494615. The cubic root of 2500023205 is about 1357.2130074885.

Adding to 2500023205 its reverse (5023200052), we get a palindrome (7523223257).

It can be divided in two parts, 25000 and 23205, that added together give a triangular number (48205 = T₃₁₀).

The spelling of 2500023205 in words is "two billion, five hundred million, twenty-three thousand, two hundred five".