153375493 has 2 divisors, whose sum is σ = 153375494. Its totient is φ = 153375492.

The previous prime is 153375491. The next prime is 153375499. The reversal of 153375493 is 394573351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150626529 + 2748964 = 12273^2 + 1658^2 .

It is a cyclic number.

It is not a de Polignac number, because 153375493 - 2¹ = 153375491 is a prime.

Together with 153375491, 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 (153375491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76687746 + 76687747.

It is an arithmetic number, because the mean of its divisors is an integer number (76687747).

Almost surely, 2^153375493 is an apocalyptic number.

It is an amenable number.

153375493 is a deficient number, since it is larger than the sum of its proper divisors (1).

153375493 is an equidigital number, since it uses as much as digits as its factorization.

153375493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 170100, while the sum is 40.

The square root of 153375493 is about 12384.4859804515. The cubic root of 153375493 is about 535.2853085605.

The spelling of 153375493 in words is "one hundred fifty-three million, three hundred seventy-five thousand, four hundred ninety-three".