632246789 has 2 divisors, whose sum is σ = 632246790. Its totient is φ = 632246788.

The previous prime is 632246737. The next prime is 632246809. The reversal of 632246789 is 987642236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 602457025 + 29789764 = 24545^2 + 5458^2 .

It is a cyclic number.

It is not a de Polignac number, because 632246789 - 2¹² = 632242693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632243789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316123394 + 316123395.

It is an arithmetic number, because the mean of its divisors is an integer number (316123395).

Almost surely, 2^632246789 is an apocalyptic number.

It is an amenable number.

632246789 is a deficient number, since it is larger than the sum of its proper divisors (1).

632246789 is an equidigital number, since it uses as much as digits as its factorization.

632246789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 47.

The square root of 632246789 is about 25144.5180705457. The cubic root of 632246789 is about 858.2797725797.

The spelling of 632246789 in words is "six hundred thirty-two million, two hundred forty-six thousand, seven hundred eighty-nine".