60813869 has 2 divisors, whose sum is σ = 60813870. Its totient is φ = 60813868.

The previous prime is 60813821. The next prime is 60813877. The reversal of 60813869 is 96831806.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57957769 + 2856100 = 7613^2 + 1690^2 .

It is a cyclic number.

It is not a de Polignac number, because 60813869 - 2¹² = 60809773 is a prime.

It is a super-2 number, since 2×60813869² = 7396653325498322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60813769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30406934 + 30406935.

It is an arithmetic number, because the mean of its divisors is an integer number (30406935).

Almost surely, 2^60813869 is an apocalyptic number.

It is an amenable number.

60813869 is a deficient number, since it is larger than the sum of its proper divisors (1).

60813869 is an equidigital number, since it uses as much as digits as its factorization.

60813869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 60813869 is about 7798.3247559973. The cubic root of 60813869 is about 393.2489255980.

The spelling of 60813869 in words is "sixty million, eight hundred thirteen thousand, eight hundred sixty-nine".