2525250305 has 8 divisors (see below), whose sum is σ = 3039457344. Its totient is φ = 2014095600.

The previous prime is 2525250283. The next prime is 2525250307. The reversal of 2525250305 is 5030525252.

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

It is not a de Polignac number, because 2525250305 - 2⁶ = 2525250241 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2525250307) 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, 761261 + ... + 764570.

It is an arithmetic number, because the mean of its divisors is an integer number (379932168).

Almost surely, 2^2525250305 is an apocalyptic number.

It is an amenable number.

2525250305 is a deficient number, since it is larger than the sum of its proper divisors (514207039).

2525250305 is a wasteful number, since it uses less digits than its factorization.

2525250305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526167.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 2525250305 is about 50251.8686717220. The cubic root of 2525250305 is about 1361.7628353088.

Adding to 2525250305 its reverse (5030525252), we get a palindrome (7555775557).

It can be divided in two parts, 25252 and 50305, that added together give a palindrome (75557).

The spelling of 2525250305 in words is "two billion, five hundred twenty-five million, two hundred fifty thousand, three hundred five".