635425355 has 4 divisors (see below), whose sum is σ = 762510432. Its totient is φ = 508340280.

The previous prime is 635425331. The next prime is 635425381. The reversal of 635425355 is 553524536.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 635425355 - 2²⁰ = 634376779 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63542531 + ... + 63542540.

It is an arithmetic number, because the mean of its divisors is an integer number (190627608).

Almost surely, 2^635425355 is an apocalyptic number.

635425355 is a deficient number, since it is larger than the sum of its proper divisors (127085077).

635425355 is a wasteful number, since it uses less digits than its factorization.

635425355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127085076.

The product of its digits is 270000, while the sum is 38.

The square root of 635425355 is about 25207.6447729652. The cubic root of 635425355 is about 859.7156780505.

The spelling of 635425355 in words is "six hundred thirty-five million, four hundred twenty-five thousand, three hundred fifty-five".