60937561 has 2 divisors, whose sum is σ = 60937562. Its totient is φ = 60937560.

The previous prime is 60937559. The next prime is 60937589. The reversal of 60937561 is 16573906.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45968400 + 14969161 = 6780^2 + 3869^2 .

It is a cyclic number.

It is not a de Polignac number, because 60937561 - 2¹ = 60937559 is a prime.

Together with 60937559, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 60937561.

It is not a weakly prime, because it can be changed into another prime (60937531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30468780 + 30468781.

It is an arithmetic number, because the mean of its divisors is an integer number (30468781).

Almost surely, 2^60937561 is an apocalyptic number.

It is an amenable number.

60937561 is a deficient number, since it is larger than the sum of its proper divisors (1).

60937561 is an equidigital number, since it uses as much as digits as its factorization.

60937561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 60937561 is about 7806.2514051240. The cubic root of 60937561 is about 393.5153604641.

The spelling of 60937561 in words is "sixty million, nine hundred thirty-seven thousand, five hundred sixty-one".