2261253556 has 24 divisors (see below), whose sum is σ = 4225281984. Its totient is φ = 1056316800.

The previous prime is 2261253541. The next prime is 2261253559. The reversal of 2261253556 is 6553521622.

It is a super-2 number, since 2×2261253556² = 10226535289045290272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261253559) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 281845 + ... + 289756.

It is an arithmetic number, because the mean of its divisors is an integer number (176053416).

Almost surely, 2^2261253556 is an apocalyptic number.

It is an amenable number.

2261253556 is a deficient number, since it is larger than the sum of its proper divisors (1964028428).

2261253556 is a wasteful number, since it uses less digits than its factorization.

2261253556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571671 (or 571669 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The square root of 2261253556 is about 47552.6398425997. The cubic root of 2261253556 is about 1312.5517064558.

The spelling of 2261253556 in words is "two billion, two hundred sixty-one million, two hundred fifty-three thousand, five hundred fifty-six".