60400289 has 2 divisors, whose sum is σ = 60400290. Its totient is φ = 60400288.

The previous prime is 60400267. The next prime is 60400313. The reversal of 60400289 is 98200406.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48094225 + 12306064 = 6935^2 + 3508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60400289 is a prime.

It is a super-2 number, since 2×60400289² = 7296389822567042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (60400189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30200144 + 30200145.

It is an arithmetic number, because the mean of its divisors is an integer number (30200145).

Almost surely, 2^60400289 is an apocalyptic number.

It is an amenable number.

60400289 is a deficient number, since it is larger than the sum of its proper divisors (1).

60400289 is an equidigital number, since it uses as much as digits as its factorization.

60400289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 60400289 is about 7771.7622840640. The cubic root of 60400289 is about 392.3554343390.

The spelling of 60400289 in words is "sixty million, four hundred thousand, two hundred eighty-nine".