60919897 has 2 divisors, whose sum is σ = 60919898. Its totient is φ = 60919896.

The previous prime is 60919883. The next prime is 60919913. The reversal of 60919897 is 79891906.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57592921 + 3326976 = 7589^2 + 1824^2 .

It is a cyclic number.

It is not a de Polignac number, because 60919897 - 2¹¹ = 60917849 is a prime.

It is a super-2 number, since 2×60919897² = 7422467700981218, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 60919897.

It is not a weakly prime, because it can be changed into another prime (60919697) 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, 30459948 + 30459949.

It is an arithmetic number, because the mean of its divisors is an integer number (30459949).

Almost surely, 2^60919897 is an apocalyptic number.

It is an amenable number.

60919897 is a deficient number, since it is larger than the sum of its proper divisors (1).

60919897 is an equidigital number, since it uses as much as digits as its factorization.

60919897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 49.

The square root of 60919897 is about 7805.1199222049. The cubic root of 60919897 is about 393.4773339609.

It can be divided in two parts, 60919 and 897, that added together give a palindrome (61816).

The spelling of 60919897 in words is "sixty million, nine hundred nineteen thousand, eight hundred ninety-seven".