157530533 has 2 divisors, whose sum is σ = 157530534. Its totient is φ = 157530532.

The previous prime is 157530521. The next prime is 157530547. The reversal of 157530533 is 335035751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121506529 + 36024004 = 11023^2 + 6002^2 .

It is an emirp because it is prime and its reverse (335035751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157530533 - 2¹⁰ = 157529509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157530533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157530553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78765266 + 78765267.

It is an arithmetic number, because the mean of its divisors is an integer number (78765267).

Almost surely, 2^157530533 is an apocalyptic number.

It is an amenable number.

157530533 is a deficient number, since it is larger than the sum of its proper divisors (1).

157530533 is an equidigital number, since it uses as much as digits as its factorization.

157530533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23625, while the sum is 32.

The square root of 157530533 is about 12551.1168028985. The cubic root of 157530533 is about 540.0760443890.

The spelling of 157530533 in words is "one hundred fifty-seven million, five hundred thirty thousand, five hundred thirty-three".