60495821 has 2 divisors, whose sum is σ = 60495822. Its totient is φ = 60495820.

The previous prime is 60495817. The next prime is 60495823. The reversal of 60495821 is 12859406.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59505796 + 990025 = 7714^2 + 995^2 .

It is a cyclic number.

It is not a de Polignac number, because 60495821 - 2² = 60495817 is a prime.

Together with 60495823, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60495823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30247910 + 30247911.

It is an arithmetic number, because the mean of its divisors is an integer number (30247911).

Almost surely, 2^60495821 is an apocalyptic number.

It is an amenable number.

60495821 is a deficient number, since it is larger than the sum of its proper divisors (1).

60495821 is an equidigital number, since it uses as much as digits as its factorization.

60495821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 60495821 is about 7777.9059521185. The cubic root of 60495821 is about 392.5621814476.

It can be divided in two parts, 60495 and 821, that added together give a palindrome (61316).

The spelling of 60495821 in words is "sixty million, four hundred ninety-five thousand, eight hundred twenty-one".