856050431 has 2 divisors, whose sum is σ = 856050432. Its totient is φ = 856050430.

The previous prime is 856050401. The next prime is 856050451. The reversal of 856050431 is 134050658.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 856050431 - 2⁶ = 856050367 is a prime.

It is a super-2 number, since 2×856050431² = 1465644680830571522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (856050401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428025215 + 428025216.

It is an arithmetic number, because the mean of its divisors is an integer number (428025216).

Almost surely, 2^856050431 is an apocalyptic number.

856050431 is a deficient number, since it is larger than the sum of its proper divisors (1).

856050431 is an equidigital number, since it uses as much as digits as its factorization.

856050431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 856050431 is about 29258.3395120092. The cubic root of 856050431 is about 949.5105256878.

The spelling of 856050431 in words is "eight hundred fifty-six million, fifty thousand, four hundred thirty-one".