63053405 has 4 divisors (see below), whose sum is σ = 75664092. Its totient is φ = 50442720.

The previous prime is 63053401. The next prime is 63053423. The reversal of 63053405 is 50435036.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10374841 + 52678564 = 3221^2 + 7258^2 .

It is not a de Polignac number, because 63053405 - 2² = 63053401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63053401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6305336 + ... + 6305345.

It is an arithmetic number, because the mean of its divisors is an integer number (18916023).

Almost surely, 2^63053405 is an apocalyptic number.

It is an amenable number.

63053405 is a deficient number, since it is larger than the sum of its proper divisors (12610687).

63053405 is a wasteful number, since it uses less digits than its factorization.

63053405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12610686.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 63053405 is about 7940.6174193195. The cubic root of 63053405 is about 398.0181237170.

The spelling of 63053405 in words is "sixty-three million, fifty-three thousand, four hundred five".