634285741 has 2 divisors, whose sum is σ = 634285742. Its totient is φ = 634285740.

The previous prime is 634285739. The next prime is 634285777. The reversal of 634285741 is 147582436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 618516900 + 15768841 = 24870^2 + 3971^2 .

It is a cyclic number.

It is not a de Polignac number, because 634285741 - 2¹ = 634285739 is a prime.

Together with 634285739, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 634285694 and 634285703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634285241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317142870 + 317142871.

It is an arithmetic number, because the mean of its divisors is an integer number (317142871).

Almost surely, 2^634285741 is an apocalyptic number.

It is an amenable number.

634285741 is a deficient number, since it is larger than the sum of its proper divisors (1).

634285741 is an equidigital number, since it uses as much as digits as its factorization.

634285741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 40.

The square root of 634285741 is about 25185.0300972621. The cubic root of 634285741 is about 859.2014134392.

It can be divided in two parts, 63428 and 5741, that added together give a square (69169 = 263²).

The spelling of 634285741 in words is "six hundred thirty-four million, two hundred eighty-five thousand, seven hundred forty-one".