60725257 has 2 divisors, whose sum is σ = 60725258. Its totient is φ = 60725256.

The previous prime is 60725243. The next prime is 60725261. The reversal of 60725257 is 75252706.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60466176 + 259081 = 7776^2 + 509^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60725257 is a prime.

It is not a weakly prime, because it can be changed into another prime (60725237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30362628 + 30362629.

It is an arithmetic number, because the mean of its divisors is an integer number (30362629).

Almost surely, 2^60725257 is an apocalyptic number.

It is an amenable number.

60725257 is a deficient number, since it is larger than the sum of its proper divisors (1).

60725257 is an equidigital number, since it uses as much as digits as its factorization.

60725257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 60725257 is about 7792.6412082169. The cubic root of 60725257 is about 393.0578315100.

The spelling of 60725257 in words is "sixty million, seven hundred twenty-five thousand, two hundred fifty-seven".