60641389 has 2 divisors, whose sum is σ = 60641390. Its totient is φ = 60641388.

The previous prime is 60641311. The next prime is 60641401. The reversal of 60641389 is 98314606.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59028489 + 1612900 = 7683^2 + 1270^2 .

It is a cyclic number.

It is not a de Polignac number, because 60641389 - 2¹³ = 60633197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60641089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30320694 + 30320695.

It is an arithmetic number, because the mean of its divisors is an integer number (30320695).

Almost surely, 2^60641389 is an apocalyptic number.

It is an amenable number.

60641389 is a deficient number, since it is larger than the sum of its proper divisors (1).

60641389 is an equidigital number, since it uses as much as digits as its factorization.

60641389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 60641389 is about 7787.2581182339. The cubic root of 60641389 is about 392.8767966681.

The spelling of 60641389 in words is "sixty million, six hundred forty-one thousand, three hundred eighty-nine".