3250027661 has 2 divisors, whose sum is σ = 3250027662. Its totient is φ = 3250027660.

The previous prime is 3250027657. The next prime is 3250027679. The reversal of 3250027661 is 1667200523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2667722500 + 582305161 = 51650^2 + 24131^2 .

It is a cyclic number.

It is not a de Polignac number, because 3250027661 - 2² = 3250027657 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3250027961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1625013830 + 1625013831.

It is an arithmetic number, because the mean of its divisors is an integer number (1625013831).

Almost surely, 2^3250027661 is an apocalyptic number.

It is an amenable number.

3250027661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3250027661 is an equidigital number, since it uses as much as digits as its factorization.

3250027661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 3250027661 is about 57009.0138574594. The cubic root of 3250027661 is about 1481.2522365304.

The spelling of 3250027661 in words is "three billion, two hundred fifty million, twenty-seven thousand, six hundred sixty-one".