253633003061 has 2 divisors, whose sum is σ = 253633003062. Its totient is φ = 253633003060.

The previous prime is 253633002983. The next prime is 253633003111. The reversal of 253633003061 is 160300336352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162172122436 + 91460880625 = 402706^2 + 302425^2 .

It is a cyclic number.

It is not a de Polignac number, because 253633003061 - 2¹⁸ = 253632740917 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 (253633002061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126816501530 + 126816501531.

It is an arithmetic number, because the mean of its divisors is an integer number (126816501531).

Almost surely, 2^253633003061 is an apocalyptic number.

It is an amenable number.

253633003061 is a deficient number, since it is larger than the sum of its proper divisors (1).

253633003061 is an equidigital number, since it uses as much as digits as its factorization.

253633003061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 32.

The spelling of 253633003061 in words is "two hundred fifty-three billion, six hundred thirty-three million, three thousand, sixty-one".