60905513 has 2 divisors, whose sum is σ = 60905514. Its totient is φ = 60905512.

The previous prime is 60905461. The next prime is 60905519. The reversal of 60905513 is 31550906.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51437584 + 9467929 = 7172^2 + 3077^2 .

It is a cyclic number.

It is not a de Polignac number, because 60905513 - 2²² = 56711209 is a prime.

It is not a weakly prime, because it can be changed into another prime (60905519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30452756 + 30452757.

It is an arithmetic number, because the mean of its divisors is an integer number (30452757).

Almost surely, 2^60905513 is an apocalyptic number.

It is an amenable number.

60905513 is a deficient number, since it is larger than the sum of its proper divisors (1).

60905513 is an equidigital number, since it uses as much as digits as its factorization.

60905513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 60905513 is about 7804.1984213627. The cubic root of 60905513 is about 393.4463631082.

The spelling of 60905513 in words is "sixty million, nine hundred five thousand, five hundred thirteen".