631626053 has 2 divisors, whose sum is σ = 631626054. Its totient is φ = 631626052.

The previous prime is 631626019. The next prime is 631626071. The reversal of 631626053 is 350626136.

631626053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 601573729 + 30052324 = 24527^2 + 5482^2 .

It is a cyclic number.

It is not a de Polignac number, because 631626053 - 2¹² = 631621957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (631626553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315813026 + 315813027.

It is an arithmetic number, because the mean of its divisors is an integer number (315813027).

Almost surely, 2^631626053 is an apocalyptic number.

It is an amenable number.

631626053 is a deficient number, since it is larger than the sum of its proper divisors (1).

631626053 is an equidigital number, since it uses as much as digits as its factorization.

631626053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 631626053 is about 25132.1716729772. The cubic root of 631626053 is about 857.9987960093.

The spelling of 631626053 in words is "six hundred thirty-one million, six hundred twenty-six thousand, fifty-three".