2503211225 has 24 divisors (see below), whose sum is σ = 3127013400. Its totient is φ = 1987776000.

The previous prime is 2503211177. The next prime is 2503211239. The reversal of 2503211225 is 5221123052.

It can be written as a sum of positive squares in 12 ways, for example, as 193543744 + 2309667481 = 13912^2 + 48059^2 .

It is not a de Polignac number, because 2503211225 - 2²⁴ = 2486434009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2503211225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2451215 + ... + 2452235.

It is an arithmetic number, because the mean of its divisors is an integer number (130292225).

Almost surely, 2^2503211225 is an apocalyptic number.

2503211225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2503211225 is a deficient number, since it is larger than the sum of its proper divisors (623802175).

2503211225 is a wasteful number, since it uses less digits than its factorization.

2503211225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661 (or 1656 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2503211225 is about 50032.1019446515. The cubic root of 2503211225 is about 1357.7896667135.

Adding to 2503211225 its reverse (5221123052), we get a palindrome (7724334277).

The spelling of 2503211225 in words is "two billion, five hundred three million, two hundred eleven thousand, two hundred twenty-five".