2505226756 has 6 divisors (see below), whose sum is σ = 4384146830. Its totient is φ = 1252613376.

The previous prime is 2505226753. The next prime is 2505226781. The reversal of 2505226756 is 6576225052.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2188742656 + 316484100 = 46784^2 + 17790^2 .

It is a super-2 number, since 2×2505226756² = 12552322197956567072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2505226753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313153341 + ... + 313153348.

Almost surely, 2^2505226756 is an apocalyptic number.

It is an amenable number.

2505226756 is a deficient number, since it is larger than the sum of its proper divisors (1878920074).

2505226756 is a wasteful number, since it uses less digits than its factorization.

2505226756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626306693 (or 626306691 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 40.

The square root of 2505226756 is about 50052.2402695424. The cubic root of 2505226756 is about 1358.1539898097.

The spelling of 2505226756 in words is "two billion, five hundred five million, two hundred twenty-six thousand, seven hundred fifty-six".