60510661 has 2 divisors, whose sum is σ = 60510662. Its totient is φ = 60510660.

The previous prime is 60510647. The next prime is 60510679. The reversal of 60510661 is 16601506.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58997761 + 1512900 = 7681^2 + 1230^2 .

It is a cyclic number.

It is not a de Polignac number, because 60510661 - 2²³ = 52122053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60510601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30255330 + 30255331.

It is an arithmetic number, because the mean of its divisors is an integer number (30255331).

Almost surely, 2^60510661 is an apocalyptic number.

It is an amenable number.

60510661 is a deficient number, since it is larger than the sum of its proper divisors (1).

60510661 is an equidigital number, since it uses as much as digits as its factorization.

60510661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 60510661 is about 7778.8598778998. The cubic root of 60510661 is about 392.5942781357.

The spelling of 60510661 in words is "sixty million, five hundred ten thousand, six hundred sixty-one".