503155097 has 2 divisors, whose sum is σ = 503155098. Its totient is φ = 503155096.

The previous prime is 503155091. The next prime is 503155109. The reversal of 503155097 is 790551305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 490223881 + 12931216 = 22141^2 + 3596^2 .

It is a cyclic number.

It is not a de Polignac number, because 503155097 - 2¹² = 503151001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (503155091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251577548 + 251577549.

It is an arithmetic number, because the mean of its divisors is an integer number (251577549).

Almost surely, 2^503155097 is an apocalyptic number.

It is an amenable number.

503155097 is a deficient number, since it is larger than the sum of its proper divisors (1).

503155097 is an equidigital number, since it uses as much as digits as its factorization.

503155097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23625, while the sum is 35.

The square root of 503155097 is about 22431.1189422195. The cubic root of 503155097 is about 795.3664947860.

The spelling of 503155097 in words is "five hundred three million, one hundred fifty-five thousand, ninety-seven".