635541047 has 2 divisors, whose sum is σ = 635541048. Its totient is φ = 635541046.

The previous prime is 635541007. The next prime is 635541077. The reversal of 635541047 is 740145536.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 635541047 - 2¹⁴ = 635524663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 635540998 and 635541016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (635541007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317770523 + 317770524.

It is an arithmetic number, because the mean of its divisors is an integer number (317770524).

Almost surely, 2^635541047 is an apocalyptic number.

635541047 is a deficient number, since it is larger than the sum of its proper divisors (1).

635541047 is an equidigital number, since it uses as much as digits as its factorization.

635541047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 635541047 is about 25209.9394485588. The cubic root of 635541047 is about 859.7678510764.

The spelling of 635541047 in words is "six hundred thirty-five million, five hundred forty-one thousand, forty-seven".