635352479 has 2 divisors, whose sum is σ = 635352480. Its totient is φ = 635352478.

The previous prime is 635352469. The next prime is 635352481. The reversal of 635352479 is 974253536.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 635352479 - 2¹² = 635348383 is a prime.

Together with 635352481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (635352449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317676239 + 317676240.

It is an arithmetic number, because the mean of its divisors is an integer number (317676240).

Almost surely, 2^635352479 is an apocalyptic number.

635352479 is a deficient number, since it is larger than the sum of its proper divisors (1).

635352479 is an equidigital number, since it uses as much as digits as its factorization.

635352479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680400, while the sum is 44.

The square root of 635352479 is about 25206.1992176528. The cubic root of 635352479 is about 859.6828102848.

The spelling of 635352479 in words is "six hundred thirty-five million, three hundred fifty-two thousand, four hundred seventy-nine".