601631413 has 2 divisors, whose sum is σ = 601631414. Its totient is φ = 601631412.

The previous prime is 601631399. The next prime is 601631423. The reversal of 601631413 is 314136106.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 459973809 + 141657604 = 21447^2 + 11902^2 .

It is a cyclic number.

It is not a de Polignac number, because 601631413 - 2¹³ = 601623221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (601631423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300815706 + 300815707.

It is an arithmetic number, because the mean of its divisors is an integer number (300815707).

Almost surely, 2^601631413 is an apocalyptic number.

It is an amenable number.

601631413 is a deficient number, since it is larger than the sum of its proper divisors (1).

601631413 is an equidigital number, since it uses as much as digits as its factorization.

601631413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 601631413 is about 24528.1759003804. The cubic root of 601631413 is about 844.1964107364.

Adding to 601631413 its reverse (314136106), we get a palindrome (915767519).

The spelling of 601631413 in words is "six hundred one million, six hundred thirty-one thousand, four hundred thirteen".