157603093 has 2 divisors, whose sum is σ = 157603094. Its totient is φ = 157603092.

The previous prime is 157603051. The next prime is 157603109. The reversal of 157603093 is 390306751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88679889 + 68923204 = 9417^2 + 8302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157603093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157603393) 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, 78801546 + 78801547.

It is an arithmetic number, because the mean of its divisors is an integer number (78801547).

Almost surely, 2^157603093 is an apocalyptic number.

It is an amenable number.

157603093 is a deficient number, since it is larger than the sum of its proper divisors (1).

157603093 is an equidigital number, since it uses as much as digits as its factorization.

157603093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 157603093 is about 12554.0070495440. The cubic root of 157603093 is about 540.1589529778.

The spelling of 157603093 in words is "one hundred fifty-seven million, six hundred three thousand, ninety-three".