1612631417 has 2 divisors, whose sum is σ = 1612631418. Its totient is φ = 1612631416.

The previous prime is 1612631399. The next prime is 1612631443. The reversal of 1612631417 is 7141362161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 946423696 + 666207721 = 30764^2 + 25811^2 .

It is a cyclic number.

It is not a de Polignac number, because 1612631417 - 2¹² = 1612627321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1612631017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806315708 + 806315709.

It is an arithmetic number, because the mean of its divisors is an integer number (806315709).

Almost surely, 2^1612631417 is an apocalyptic number.

It is an amenable number.

1612631417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1612631417 is an equidigital number, since it uses as much as digits as its factorization.

1612631417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 1612631417 is about 40157.5823101939. The cubic root of 1612631417 is about 1172.6769050060.

Adding to 1612631417 its reverse (7141362161), we get a palindrome (8753993578).

The spelling of 1612631417 in words is "one billion, six hundred twelve million, six hundred thirty-one thousand, four hundred seventeen".