951327661 has 2 divisors, whose sum is σ = 951327662. Its totient is φ = 951327660.

The previous prime is 951327653. The next prime is 951327703. The reversal of 951327661 is 166723159.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 608855625 + 342472036 = 24675^2 + 18506^2 .

It is a cyclic number.

It is not a de Polignac number, because 951327661 - 2³ = 951327653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (951327061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 475663830 + 475663831.

It is an arithmetic number, because the mean of its divisors is an integer number (475663831).

Almost surely, 2^951327661 is an apocalyptic number.

It is an amenable number.

951327661 is a deficient number, since it is larger than the sum of its proper divisors (1).

951327661 is an equidigital number, since it uses as much as digits as its factorization.

951327661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 40.

The square root of 951327661 is about 30843.6000006484. The cubic root of 951327661 is about 983.5053080684.

The spelling of 951327661 in words is "nine hundred fifty-one million, three hundred twenty-seven thousand, six hundred sixty-one".