85098953 has 2 divisors, whose sum is σ = 85098954. Its totient is φ = 85098952.

The previous prime is 85098943. The next prime is 85098983. The reversal of 85098953 is 35989058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55472704 + 29626249 = 7448^2 + 5443^2 .

It is a cyclic number.

It is not a de Polignac number, because 85098953 - 2⁸ = 85098697 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 85098898 and 85098907.

It is not a weakly prime, because it can be changed into another prime (85098913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42549476 + 42549477.

It is an arithmetic number, because the mean of its divisors is an integer number (42549477).

Almost surely, 2^85098953 is an apocalyptic number.

It is an amenable number.

85098953 is a deficient number, since it is larger than the sum of its proper divisors (1).

85098953 is an equidigital number, since it uses as much as digits as its factorization.

85098953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 85098953 is about 9224.9093762486. The cubic root of 85098953 is about 439.8535204561.

The spelling of 85098953 in words is "eighty-five million, ninety-eight thousand, nine hundred fifty-three".