60721153 has 2 divisors, whose sum is σ = 60721154. Its totient is φ = 60721152.

The previous prime is 60721151. The next prime is 60721159. The reversal of 60721153 is 35112706.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50936769 + 9784384 = 7137^2 + 3128^2 .

It is a cyclic number.

It is not a de Polignac number, because 60721153 - 2¹ = 60721151 is a prime.

Together with 60721151, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (60721151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30360576 + 30360577.

It is an arithmetic number, because the mean of its divisors is an integer number (30360577).

Almost surely, 2^60721153 is an apocalyptic number.

It is an amenable number.

60721153 is a deficient number, since it is larger than the sum of its proper divisors (1).

60721153 is an equidigital number, since it uses as much as digits as its factorization.

60721153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 60721153 is about 7792.3778784143. The cubic root of 60721153 is about 393.0489766240.

Adding to 60721153 its reverse (35112706), we get a palindrome (95833859).

It can be divided in two parts, 6072 and 1153, that added together give a square (7225 = 85²).

The spelling of 60721153 in words is "sixty million, seven hundred twenty-one thousand, one hundred fifty-three".