85457651 has 2 divisors, whose sum is σ = 85457652. Its totient is φ = 85457650.

The previous prime is 85457639. The next prime is 85457663. The reversal of 85457651 is 15675458.

It is a balanced prime because it is at equal distance from previous prime (85457639) and next prime (85457663).

It is a cyclic number.

It is not a de Polignac number, because 85457651 - 2¹⁴ = 85441267 is a prime.

It is a super-2 number, since 2×85457651² = 14606020228875602, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 85457599 and 85457608.

It is not a weakly prime, because it can be changed into another prime (85457681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42728825 + 42728826.

It is an arithmetic number, because the mean of its divisors is an integer number (42728826).

Almost surely, 2^85457651 is an apocalyptic number.

85457651 is a deficient number, since it is larger than the sum of its proper divisors (1).

85457651 is an equidigital number, since it uses as much as digits as its factorization.

85457651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168000, while the sum is 41.

The square root of 85457651 is about 9244.3307491673. The cubic root of 85457651 is about 440.4706585572.

The spelling of 85457651 in words is "eighty-five million, four hundred fifty-seven thousand, six hundred fifty-one".