260402533 has 2 divisors, whose sum is σ = 260402534. Its totient is φ = 260402532.

The previous prime is 260402509. The next prime is 260402551. The reversal of 260402533 is 335204062.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222666084 + 37736449 = 14922^2 + 6143^2 .

It is a cyclic number.

It is not a de Polignac number, because 260402533 - 2¹³ = 260394341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 260402498 and 260402507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260402563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130201266 + 130201267.

It is an arithmetic number, because the mean of its divisors is an integer number (130201267).

Almost surely, 2^260402533 is an apocalyptic number.

It is an amenable number.

260402533 is a deficient number, since it is larger than the sum of its proper divisors (1).

260402533 is an equidigital number, since it uses as much as digits as its factorization.

260402533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 260402533 is about 16136.9926876107. The cubic root of 260402533 is about 638.5796406394.

Adding to 260402533 its reverse (335204062), we get a palindrome (595606595).

The spelling of 260402533 in words is "two hundred sixty million, four hundred two thousand, five hundred thirty-three".