157825823 has 2 divisors, whose sum is σ = 157825824. Its totient is φ = 157825822.

The previous prime is 157825817. The next prime is 157825847. The reversal of 157825823 is 328528751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157825823 - 2¹⁴ = 157809439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157825813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78912911 + 78912912.

It is an arithmetic number, because the mean of its divisors is an integer number (78912912).

Almost surely, 2^157825823 is an apocalyptic number.

157825823 is a deficient number, since it is larger than the sum of its proper divisors (1).

157825823 is an equidigital number, since it uses as much as digits as its factorization.

157825823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 41.

The square root of 157825823 is about 12562.8747904291. The cubic root of 157825823 is about 540.4132901455.

The spelling of 157825823 in words is "one hundred fifty-seven million, eight hundred twenty-five thousand, eight hundred twenty-three".