85298451 has 16 divisors (see below), whose sum is σ = 130201344. Its totient is φ = 48658464.

The previous prime is 85298449. The next prime is 85298459. The reversal of 85298451 is 15489258.

It is a happy number.

It is not a de Polignac number, because 85298451 - 2¹ = 85298449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85298459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10345 + ... + 16661.

It is an arithmetic number, because the mean of its divisors is an integer number (8137584).

Almost surely, 2^85298451 is an apocalyptic number.

85298451 is a deficient number, since it is larger than the sum of its proper divisors (44902893).

85298451 is a wasteful number, since it uses less digits than its factorization.

85298451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6970.

The product of its digits is 115200, while the sum is 42.

The square root of 85298451 is about 9235.7160523697. The cubic root of 85298451 is about 440.1969693189.

The spelling of 85298451 in words is "eighty-five million, two hundred ninety-eight thousand, four hundred fifty-one".