157310533 has 2 divisors, whose sum is σ = 157310534. Its totient is φ = 157310532.

The previous prime is 157310509. The next prime is 157310591. The reversal of 157310533 is 335013751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144793089 + 12517444 = 12033^2 + 3538^2 .

It is an emirp because it is prime and its reverse (335013751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157310533 - 2¹⁷ = 157179461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157311533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78655266 + 78655267.

It is an arithmetic number, because the mean of its divisors is an integer number (78655267).

Almost surely, 2^157310533 is an apocalyptic number.

It is an amenable number.

157310533 is a deficient number, since it is larger than the sum of its proper divisors (1).

157310533 is an equidigital number, since it uses as much as digits as its factorization.

157310533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4725, while the sum is 28.

The square root of 157310533 is about 12542.3495805212. The cubic root of 157310533 is about 539.8245120208.

The spelling of 157310533 in words is "one hundred fifty-seven million, three hundred ten thousand, five hundred thirty-three".