63475461 has 64 divisors (see below), whose sum is σ = 114547200. Its totient is φ = 33965568.

The previous prime is 63475459. The next prime is 63475463. The reversal of 63475461 is 16457436.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (63475459) and next prime (63475463).

It is not a de Polignac number, because 63475461 - 2¹ = 63475459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63475463) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 202641 + ... + 202953.

It is an arithmetic number, because the mean of its divisors is an integer number (1789800).

Almost surely, 2^63475461 is an apocalyptic number.

It is an amenable number.

63475461 is a deficient number, since it is larger than the sum of its proper divisors (51071739).

63475461 is a wasteful number, since it uses less digits than its factorization.

63475461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 389 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 63475461 is about 7967.1488626735. The cubic root of 63475461 is about 398.9042112755.

It can be divided in two parts, 63475 and 461, that added together give a palindrome (63936).

The spelling of 63475461 in words is "sixty-three million, four hundred seventy-five thousand, four hundred sixty-one".