2621413225 has 6 divisors (see below), whose sum is σ = 3250552430. Its totient is φ = 2097130560.

The previous prime is 2621413219. The next prime is 2621413253. The reversal of 2621413225 is 5223141262.

It can be written as a sum of positive squares in 3 ways, for example, as 242705241 + 2378707984 = 15579^2 + 48772^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2621413225 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2621413193 and 2621413202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52428240 + ... + 52428289.

Almost surely, 2^2621413225 is an apocalyptic number.

2621413225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2621413225 is a deficient number, since it is larger than the sum of its proper divisors (629139205).

2621413225 is a wasteful number, since it uses less digits than its factorization.

2621413225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104856539 (or 104856534 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 2621413225 is about 51199.7385247230. The cubic root of 2621413225 is about 1378.8335071880.

Adding to 2621413225 its reverse (5223141262), we get a palindrome (7844554487).

The spelling of 2621413225 in words is "two billion, six hundred twenty-one million, four hundred thirteen thousand, two hundred twenty-five".