85975651 has 2 divisors, whose sum is σ = 85975652. Its totient is φ = 85975650.

The previous prime is 85975559. The next prime is 85975661. The reversal of 85975651 is 15657958.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85975651 - 2¹³ = 85967459 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85975661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42987825 + 42987826.

It is an arithmetic number, because the mean of its divisors is an integer number (42987826).

Almost surely, 2^85975651 is an apocalyptic number.

85975651 is a deficient number, since it is larger than the sum of its proper divisors (1).

85975651 is an equidigital number, since it uses as much as digits as its factorization.

85975651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378000, while the sum is 46.

The square root of 85975651 is about 9272.3055924619. The cubic root of 85975651 is about 441.3588347126.

The spelling of 85975651 in words is "eighty-five million, nine hundred seventy-five thousand, six hundred fifty-one".