253061603 has 2 divisors, whose sum is σ = 253061604. Its totient is φ = 253061602.

The previous prime is 253061573. The next prime is 253061623. The reversal of 253061603 is 306160352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253061603 - 2⁶ = 253061539 is a prime.

It is not a weakly prime, because it can be changed into another prime (253061623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126530801 + 126530802.

It is an arithmetic number, because the mean of its divisors is an integer number (126530802).

Almost surely, 2^253061603 is an apocalyptic number.

253061603 is a deficient number, since it is larger than the sum of its proper divisors (1).

253061603 is an equidigital number, since it uses as much as digits as its factorization.

253061603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 253061603 is about 15907.9100764368. The cubic root of 253061603 is about 632.5216836031.

The spelling of 253061603 in words is "two hundred fifty-three million, sixty-one thousand, six hundred three".