3672481261 has 2 divisors, whose sum is σ = 3672481262. Its totient is φ = 3672481260.

The previous prime is 3672481259. The next prime is 3672481283. The reversal of 3672481261 is 1621842763.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1918965636 + 1753515625 = 43806^2 + 41875^2 .

It is a cyclic number.

It is not a de Polignac number, because 3672481261 - 2¹ = 3672481259 is a prime.

It is a super-2 number, since 2×3672481261² = 26974237224792300242, which contains 22 as substring.

Together with 3672481259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3672485261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1836240630 + 1836240631.

It is an arithmetic number, because the mean of its divisors is an integer number (1836240631).

Almost surely, 2^3672481261 is an apocalyptic number.

It is an amenable number.

3672481261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3672481261 is an equidigital number, since it uses as much as digits as its factorization.

3672481261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 40.

The square root of 3672481261 is about 60601.0004950413. Note that the first 3 decimals coincide. The cubic root of 3672481261 is about 1542.8363510993.

The spelling of 3672481261 in words is "three billion, six hundred seventy-two million, four hundred eighty-one thousand, two hundred sixty-one".