1207985533 has 2 divisors, whose sum is σ = 1207985534. Its totient is φ = 1207985532.

The previous prime is 1207985503. The next prime is 1207985543. The reversal of 1207985533 is 3355897021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1079911044 + 128074489 = 32862^2 + 11317^2 .

It is a cyclic number.

It is not a de Polignac number, because 1207985533 - 2²¹ = 1205888381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1207985533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1207985503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603992766 + 603992767.

It is an arithmetic number, because the mean of its divisors is an integer number (603992767).

Almost surely, 2^1207985533 is an apocalyptic number.

It is an amenable number.

1207985533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1207985533 is an equidigital number, since it uses as much as digits as its factorization.

1207985533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 1207985533 is about 34756.0862727667. The cubic root of 1207985533 is about 1065.0105527693.

The spelling of 1207985533 in words is "one billion, two hundred seven million, nine hundred eighty-five thousand, five hundred thirty-three".