60769561 has 2 divisors, whose sum is σ = 60769562. Its totient is φ = 60769560.

The previous prime is 60769523. The next prime is 60769567. The reversal of 60769561 is 16596706.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47403225 + 13366336 = 6885^2 + 3656^2 .

It is a cyclic number.

It is not a de Polignac number, because 60769561 - 2¹¹ = 60767513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (60769567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30384780 + 30384781.

It is an arithmetic number, because the mean of its divisors is an integer number (30384781).

Almost surely, 2^60769561 is an apocalyptic number.

It is an amenable number.

60769561 is a deficient number, since it is larger than the sum of its proper divisors (1).

60769561 is an equidigital number, since it uses as much as digits as its factorization.

60769561 is an evil number, because the sum of its binary digits is even.

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

The square root of 60769561 is about 7795.4833717993. The cubic root of 60769561 is about 393.1533974615.

The spelling of 60769561 in words is "sixty million, seven hundred sixty-nine thousand, five hundred sixty-one".