60257261 has 2 divisors, whose sum is σ = 60257262. Its totient is φ = 60257260.

The previous prime is 60257257. The next prime is 60257269. The reversal of 60257261 is 16275206.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50055625 + 10201636 = 7075^2 + 3194^2 .

It is a cyclic number.

It is not a de Polignac number, because 60257261 - 2² = 60257257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60257269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30128630 + 30128631.

It is an arithmetic number, because the mean of its divisors is an integer number (30128631).

Almost surely, 2^60257261 is an apocalyptic number.

It is an amenable number.

60257261 is a deficient number, since it is larger than the sum of its proper divisors (1).

60257261 is an equidigital number, since it uses as much as digits as its factorization.

60257261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 60257261 is about 7762.5550561655. Note that the first 3 decimals coincide. The cubic root of 60257261 is about 392.0454900874.

The spelling of 60257261 in words is "sixty million, two hundred fifty-seven thousand, two hundred sixty-one".