503260402261 has 2 divisors, whose sum is σ = 503260402262. Its totient is φ = 503260402260.

The previous prime is 503260402223. The next prime is 503260402279. The reversal of 503260402261 is 162204062305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 415033581361 + 88226820900 = 644231^2 + 297030^2 .

It is a cyclic number.

It is not a de Polignac number, because 503260402261 - 2¹⁹ = 503259877973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503260402961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251630201130 + 251630201131.

It is an arithmetic number, because the mean of its divisors is an integer number (251630201131).

Almost surely, 2^503260402261 is an apocalyptic number.

It is an amenable number.

503260402261 is a deficient number, since it is larger than the sum of its proper divisors (1).

503260402261 is an equidigital number, since it uses as much as digits as its factorization.

503260402261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 503260402261 its reverse (162204062305), we get a palindrome (665464464566).

The spelling of 503260402261 in words is "five hundred three billion, two hundred sixty million, four hundred two thousand, two hundred sixty-one".