7631401 has 2 divisors, whose sum is σ = 7631402. Its totient is φ = 7631400.

The previous prime is 7631387. The next prime is 7631411. The reversal of 7631401 is 1041367.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5875776 + 1755625 = 2424^2 + 1325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7631401 is a prime.

It is a super-3 number, since 3×7631401³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (7631411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3815700 + 3815701.

It is an arithmetic number, because the mean of its divisors is an integer number (3815701).

Almost surely, 2^7631401 is an apocalyptic number.

It is an amenable number.

7631401 is a deficient number, since it is larger than the sum of its proper divisors (1).

7631401 is an equidigital number, since it uses as much as digits as its factorization.

7631401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 7631401 is about 2762.4990497736. The cubic root of 7631401 is about 196.8799202936.

Adding to 7631401 its reverse (1041367), we get a palindrome (8672768).

The spelling of 7631401 in words is "seven million, six hundred thirty-one thousand, four hundred one".