46432121 has 2 divisors, whose sum is σ = 46432122. Its totient is φ = 46432120.

The previous prime is 46432037. The next prime is 46432123. The reversal of 46432121 is 12123464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36421225 + 10010896 = 6035^2 + 3164^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46432121 is a prime.

Together with 46432123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (46432123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23216060 + 23216061.

It is an arithmetic number, because the mean of its divisors is an integer number (23216061).

Almost surely, 2^46432121 is an apocalyptic number.

It is an amenable number.

46432121 is a deficient number, since it is larger than the sum of its proper divisors (1).

46432121 is an equidigital number, since it uses as much as digits as its factorization.

46432121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 46432121 is about 6814.1119010477. Note that the first 3 decimals coincide. The cubic root of 46432121 is about 359.4232560380.

Adding to 46432121 its reverse (12123464), we get a palindrome (58555585).

The spelling of 46432121 in words is "forty-six million, four hundred thirty-two thousand, one hundred twenty-one".