2505623234 has 8 divisors (see below), whose sum is σ = 3979519308. Its totient is φ = 1179116800.

The previous prime is 2505623231. The next prime is 2505623261. The reversal of 2505623234 is 4323265052.

It can be written as a sum of positive squares in 2 ways, for example, as 2002294009 + 503329225 = 44747^2 + 22435^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2505623234.

It is not an unprimeable number, because it can be changed into a prime (2505623231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36847367 + ... + 36847434.

Almost surely, 2^2505623234 is an apocalyptic number.

2505623234 is a deficient number, since it is larger than the sum of its proper divisors (1473896074).

2505623234 is a wasteful number, since it uses less digits than its factorization.

2505623234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73694820.

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 2505623234 is about 50056.2007547517. The cubic root of 2505623234 is about 1358.2256333275.

Adding to 2505623234 its reverse (4323265052), we get a palindrome (6828888286).

The spelling of 2505623234 in words is "two billion, five hundred five million, six hundred twenty-three thousand, two hundred thirty-four".