46121631 has 4 divisors (see below), whose sum is σ = 61495512. Its totient is φ = 30747752.

The previous prime is 46121623. The next prime is 46121639. The reversal of 46121631 is 13612164.

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

It is an interprime number because it is at equal distance from previous prime (46121623) and next prime (46121639).

It is a cyclic number.

It is not a de Polignac number, because 46121631 - 2³ = 46121623 is a prime.

It is a super-2 number, since 2×46121631² = 4254409692200322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46121639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7686936 + ... + 7686941.

It is an arithmetic number, because the mean of its divisors is an integer number (15373878).

Almost surely, 2^46121631 is an apocalyptic number.

46121631 is a deficient number, since it is larger than the sum of its proper divisors (15373881).

46121631 is a wasteful number, since it uses less digits than its factorization.

46121631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15373880.

The product of its digits is 864, while the sum is 24.

The square root of 46121631 is about 6791.2908198663. The cubic root of 46121631 is about 358.6203132923.

Adding to 46121631 its reverse (13612164), we get a palindrome (59733795).

It can be divided in two parts, 4612163 and 1, that added together give a palindrome (4612164).

The spelling of 46121631 in words is "forty-six million, one hundred twenty-one thousand, six hundred thirty-one".