158125573 has 2 divisors, whose sum is σ = 158125574. Its totient is φ = 158125572.

The previous prime is 158125571. The next prime is 158125589. The reversal of 158125573 is 375521851.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96393124 + 61732449 = 9818^2 + 7857^2 .

It is a cyclic number.

It is not a de Polignac number, because 158125573 - 2¹ = 158125571 is a prime.

Together with 158125571, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158125571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79062786 + 79062787.

It is an arithmetic number, because the mean of its divisors is an integer number (79062787).

Almost surely, 2^158125573 is an apocalyptic number.

It is an amenable number.

158125573 is a deficient number, since it is larger than the sum of its proper divisors (1).

158125573 is an equidigital number, since it uses as much as digits as its factorization.

158125573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42000, while the sum is 37.

The square root of 158125573 is about 12574.7991236441. The cubic root of 158125573 is about 540.7551996346.

The spelling of 158125573 in words is "one hundred fifty-eight million, one hundred twenty-five thousand, five hundred seventy-three".