63161051 has 4 divisors (see below), whose sum is σ = 63202104. Its totient is φ = 63120000.

The previous prime is 63161041. The next prime is 63161081. The reversal of 63161051 is 15016136.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 63161051 - 2¹⁴ = 63144667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63161041) 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, 18125 + ... + 21326.

It is an arithmetic number, because the mean of its divisors is an integer number (15800526).

Almost surely, 2^63161051 is an apocalyptic number.

63161051 is a deficient number, since it is larger than the sum of its proper divisors (41053).

63161051 is a wasteful number, since it uses less digits than its factorization.

63161051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41052.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 63161051 is about 7947.3927171117. The cubic root of 63161051 is about 398.2444963719.

Adding to 63161051 its reverse (15016136), we get a palindrome (78177187).

The spelling of 63161051 in words is "sixty-three million, one hundred sixty-one thousand, fifty-one".