46371421 has 2 divisors, whose sum is σ = 46371422. Its totient is φ = 46371420.

The previous prime is 46371401. The next prime is 46371431. The reversal of 46371421 is 12417364.

46371421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46090521 + 280900 = 6789^2 + 530^2 .

It is a cyclic number.

It is not a de Polignac number, because 46371421 - 2⁵ = 46371389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46371421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46371401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23185710 + 23185711.

It is an arithmetic number, because the mean of its divisors is an integer number (23185711).

Almost surely, 2^46371421 is an apocalyptic number.

It is an amenable number.

46371421 is a deficient number, since it is larger than the sum of its proper divisors (1).

46371421 is an equidigital number, since it uses as much as digits as its factorization.

46371421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 28.

The square root of 46371421 is about 6809.6564524211. The cubic root of 46371421 is about 359.2665649005.

Adding to 46371421 its reverse (12417364), we get a palindrome (58788785).

The spelling of 46371421 in words is "forty-six million, three hundred seventy-one thousand, four hundred twenty-one".