635380053 has 32 divisors (see below), whose sum is σ = 1092648960. Its totient is φ = 318682560.

The previous prime is 635380051. The next prime is 635380069. The reversal of 635380053 is 350083536.

It is not a de Polignac number, because 635380053 - 2¹ = 635380051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 635379996 and 635380023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (635380051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40725 + ... + 54122.

It is an arithmetic number, because the mean of its divisors is an integer number (34145280).

Almost surely, 2^635380053 is an apocalyptic number.

It is an amenable number.

635380053 is a deficient number, since it is larger than the sum of its proper divisors (457268907).

635380053 is a wasteful number, since it uses less digits than its factorization.

635380053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94897.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 635380053 is about 25206.7461803383. The cubic root of 635380053 is about 859.6952467153.

The spelling of 635380053 in words is "six hundred thirty-five million, three hundred eighty thousand, fifty-three".