51846131 has 2 divisors, whose sum is σ = 51846132. Its totient is φ = 51846130.

The previous prime is 51846103. The next prime is 51846187. The reversal of 51846131 is 13164815.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51846131 is a prime.

It is a super-2 number, since 2×51846131² = 5376042599338322, 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 = 51846094 and 51846103.

It is not a weakly prime, because it can be changed into another prime (51846331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25923065 + 25923066.

It is an arithmetic number, because the mean of its divisors is an integer number (25923066).

Almost surely, 2^51846131 is an apocalyptic number.

51846131 is a deficient number, since it is larger than the sum of its proper divisors (1).

51846131 is an equidigital number, since it uses as much as digits as its factorization.

51846131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 29.

The square root of 51846131 is about 7200.4257513011. The cubic root of 51846131 is about 372.8825995505.

The spelling of 51846131 in words is "fifty-one million, eight hundred forty-six thousand, one hundred thirty-one".