3136225261 has 8 divisors (see below), whose sum is σ = 3380195000. Its totient is φ = 2892644352.

The previous prime is 3136225247. The next prime is 3136225273. The reversal of 3136225261 is 1625226313.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 110565225 + 3025660036 = 10515^2 + 55006^2 .

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

It is not a de Polignac number, because 3136225261 - 2⁷ = 3136225133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3136225201) 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, 80340 + ... + 112813.

It is an arithmetic number, because the mean of its divisors is an integer number (422524375).

Almost surely, 2^3136225261 is an apocalyptic number.

It is an amenable number.

3136225261 is a deficient number, since it is larger than the sum of its proper divisors (243969739).

3136225261 is a wasteful number, since it uses less digits than its factorization.

3136225261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194415.

The product of its digits is 12960, while the sum is 31.

The square root of 3136225261 is about 56002.0112228123. The cubic root of 3136225261 is about 1463.7573298905.

The spelling of 3136225261 in words is "three billion, one hundred thirty-six million, two hundred twenty-five thousand, two hundred sixty-one".