85651453 has 2 divisors, whose sum is σ = 85651454. Its totient is φ = 85651452.

The previous prime is 85651409. The next prime is 85651459. The reversal of 85651453 is 35415658.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54715609 + 30935844 = 7397^2 + 5562^2 .

It is a cyclic number.

It is not a de Polignac number, because 85651453 - 2¹⁷ = 85520381 is a prime.

It is a super-2 number, since 2×85651453² = 14672342802022418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85651459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42825726 + 42825727.

It is an arithmetic number, because the mean of its divisors is an integer number (42825727).

Almost surely, 2^85651453 is an apocalyptic number.

It is an amenable number.

85651453 is a deficient number, since it is larger than the sum of its proper divisors (1).

85651453 is an equidigital number, since it uses as much as digits as its factorization.

85651453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72000, while the sum is 37.

The square root of 85651453 is about 9254.8070212188. The cubic root of 85651453 is about 440.8033755806.

The spelling of 85651453 in words is "eighty-five million, six hundred fifty-one thousand, four hundred fifty-three".