1260626533 has 2 divisors, whose sum is σ = 1260626534. Its totient is φ = 1260626532.

The previous prime is 1260626417. The next prime is 1260626537. The reversal of 1260626533 is 3356260621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 867714849 + 392911684 = 29457^2 + 19822^2 .

It is a cyclic number.

It is not a de Polignac number, because 1260626533 - 2¹³ = 1260618341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1260626537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630313266 + 630313267.

It is an arithmetic number, because the mean of its divisors is an integer number (630313267).

Almost surely, 2^1260626533 is an apocalyptic number.

It is an amenable number.

1260626533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260626533 is an equidigital number, since it uses as much as digits as its factorization.

1260626533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 1260626533 is about 35505.3028856254. The cubic root of 1260626533 is about 1080.2612916600.

The spelling of 1260626533 in words is "one billion, two hundred sixty million, six hundred twenty-six thousand, five hundred thirty-three".