85725023 has 2 divisors, whose sum is σ = 85725024. Its totient is φ = 85725022.

The previous prime is 85725019. The next prime is 85725037. The reversal of 85725023 is 32052758.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85725023 - 2² = 85725019 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85725043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42862511 + 42862512.

It is an arithmetic number, because the mean of its divisors is an integer number (42862512).

Almost surely, 2^85725023 is an apocalyptic number.

85725023 is a deficient number, since it is larger than the sum of its proper divisors (1).

85725023 is an equidigital number, since it uses as much as digits as its factorization.

85725023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 85725023 is about 9258.7808592708. The cubic root of 85725023 is about 440.9295482741.

The spelling of 85725023 in words is "eighty-five million, seven hundred twenty-five thousand, twenty-three".