1617401413 has 2 divisors, whose sum is σ = 1617401414. Its totient is φ = 1617401412.

The previous prime is 1617401411. The next prime is 1617401419. The reversal of 1617401413 is 3141047161.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1256135364 + 361266049 = 35442^2 + 19007^2 .

It is a cyclic number.

It is not a de Polignac number, because 1617401413 - 2¹ = 1617401411 is a prime.

Together with 1617401411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1617401411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808700706 + 808700707.

It is an arithmetic number, because the mean of its divisors is an integer number (808700707).

Almost surely, 2^1617401413 is an apocalyptic number.

It is an amenable number.

1617401413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1617401413 is an equidigital number, since it uses as much as digits as its factorization.

1617401413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1617401413 is about 40216.9294327650. The cubic root of 1617401413 is about 1173.8319856552.

Adding to 1617401413 its reverse (3141047161), we get a palindrome (4758448574).

The spelling of 1617401413 in words is "one billion, six hundred seventeen million, four hundred one thousand, four hundred thirteen".