60501391 has 2 divisors, whose sum is σ = 60501392. Its totient is φ = 60501390.

The previous prime is 60501379. The next prime is 60501409. The reversal of 60501391 is 19310506.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 60501391 - 2⁵ = 60501359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60001391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30250695 + 30250696.

It is an arithmetic number, because the mean of its divisors is an integer number (30250696).

Almost surely, 2^60501391 is an apocalyptic number.

60501391 is a deficient number, since it is larger than the sum of its proper divisors (1).

60501391 is an equidigital number, since it uses as much as digits as its factorization.

60501391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 60501391 is about 7778.2640094047. The cubic root of 60501391 is about 392.5742291352.

Adding to 60501391 its reverse (19310506), we get a palindrome (79811897).

The spelling of 60501391 in words is "sixty million, five hundred one thousand, three hundred ninety-one".