601780253 has 2 divisors, whose sum is σ = 601780254. Its totient is φ = 601780252.

The previous prime is 601780243. The next prime is 601780271. The reversal of 601780253 is 352087106.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 548168569 + 53611684 = 23413^2 + 7322^2 .

It is a cyclic number.

It is not a de Polignac number, because 601780253 - 2²² = 597585949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (601780213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300890126 + 300890127.

It is an arithmetic number, because the mean of its divisors is an integer number (300890127).

Almost surely, 2^601780253 is an apocalyptic number.

It is an amenable number.

601780253 is a deficient number, since it is larger than the sum of its proper divisors (1).

601780253 is an equidigital number, since it uses as much as digits as its factorization.

601780253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 601780253 is about 24531.2097744893. The cubic root of 601780253 is about 844.2660213711.

The spelling of 601780253 in words is "six hundred one million, seven hundred eighty thousand, two hundred fifty-three".