61463111 has 4 divisors (see below), whose sum is σ = 63445824. Its totient is φ = 59480400.

The previous prime is 61463099. The next prime is 61463113. The reversal of 61463111 is 11136416.

61463111 = 965² + 966² + ... + 1026².

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 61463111 - 2¹⁰ = 61462087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61463113) 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, 991310 + ... + 991371.

It is an arithmetic number, because the mean of its divisors is an integer number (15861456).

Almost surely, 2^61463111 is an apocalyptic number.

61463111 is a deficient number, since it is larger than the sum of its proper divisors (1982713).

61463111 is a wasteful number, since it uses less digits than its factorization.

61463111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982712.

The product of its digits is 432, while the sum is 23.

The square root of 61463111 is about 7839.8412611481. The cubic root of 61463111 is about 394.6434019295.

Adding to 61463111 its reverse (11136416), we get a palindrome (72599527).

The spelling of 61463111 in words is "sixty-one million, four hundred sixty-three thousand, one hundred eleven".