1672658131 has 2 divisors, whose sum is σ = 1672658132. Its totient is φ = 1672658130.

The previous prime is 1672658089. The next prime is 1672658153. The reversal of 1672658131 is 1318562761.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1672658131 - 2⁹ = 1672657619 is a prime.

It is a super-2 number, since 2×1672658131² = 5595570446400826322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1672650131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836329065 + 836329066.

It is an arithmetic number, because the mean of its divisors is an integer number (836329066).

Almost surely, 2^1672658131 is an apocalyptic number.

1672658131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672658131 is an equidigital number, since it uses as much as digits as its factorization.

1672658131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 40.

The square root of 1672658131 is about 40898.1433686176. The cubic root of 1672658131 is about 1187.0501357255.

The spelling of 1672658131 in words is "one billion, six hundred seventy-two million, six hundred fifty-eight thousand, one hundred thirty-one".