806245251 has 16 divisors (see below), whose sum is σ = 1230411264. Its totient is φ = 460018944.

The previous prime is 806245249. The next prime is 806245261. The reversal of 806245251 is 152542608.

It is not a de Polignac number, because 806245251 - 2¹ = 806245249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (806245201) 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, 14391 + ... + 42656.

It is an arithmetic number, because the mean of its divisors is an integer number (76900704).

Almost surely, 2^806245251 is an apocalyptic number.

806245251 is a deficient number, since it is larger than the sum of its proper divisors (424166013).

806245251 is a wasteful number, since it uses less digits than its factorization.

806245251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57730.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 806245251 is about 28394.4581036511. The cubic root of 806245251 is about 930.7271651249.

Adding to 806245251 its reverse (152542608), we get a palindrome (958787859).

The spelling of 806245251 in words is "eight hundred six million, two hundred forty-five thousand, two hundred fifty-one".