60520279 has 2 divisors, whose sum is σ = 60520280. Its totient is φ = 60520278.

The previous prime is 60520237. The next prime is 60520283. The reversal of 60520279 is 97202506.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 60520279 - 2⁷ = 60520151 is a prime.

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 60520279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60520219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30260139 + 30260140.

It is an arithmetic number, because the mean of its divisors is an integer number (30260140).

Almost surely, 2^60520279 is an apocalyptic number.

60520279 is a deficient number, since it is larger than the sum of its proper divisors (1).

60520279 is an equidigital number, since it uses as much as digits as its factorization.

60520279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 60520279 is about 7779.4780673256. The cubic root of 60520279 is about 392.6150776205.

The spelling of 60520279 in words is "sixty million, five hundred twenty thousand, two hundred seventy-nine".