3225660637 has 2 divisors, whose sum is σ = 3225660638. Its totient is φ = 3225660636.

The previous prime is 3225660617. The next prime is 3225660649. The reversal of 3225660637 is 7360665223.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2437791876 + 787868761 = 49374^2 + 28069^2 .

It is a cyclic number.

It is not a de Polignac number, because 3225660637 - 2⁷ = 3225660509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3225660637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3225660617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1612830318 + 1612830319.

It is an arithmetic number, because the mean of its divisors is an integer number (1612830319).

Almost surely, 2^3225660637 is an apocalyptic number.

It is an amenable number.

3225660637 is a deficient number, since it is larger than the sum of its proper divisors (1).

3225660637 is an equidigital number, since it uses as much as digits as its factorization.

3225660637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 40.

The square root of 3225660637 is about 56794.8997446073. The cubic root of 3225660637 is about 1477.5410588460.

The spelling of 3225660637 in words is "three billion, two hundred twenty-five million, six hundred sixty thousand, six hundred thirty-seven".