46365421 has 2 divisors, whose sum is σ = 46365422. Its totient is φ = 46365420.

The previous prime is 46365419. The next prime is 46365427. The reversal of 46365421 is 12456364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43164900 + 3200521 = 6570^2 + 1789^2 .

It is a cyclic number.

It is not a de Polignac number, because 46365421 - 2¹ = 46365419 is a prime.

Together with 46365419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46365427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23182710 + 23182711.

It is an arithmetic number, because the mean of its divisors is an integer number (23182711).

Almost surely, 2^46365421 is an apocalyptic number.

It is an amenable number.

46365421 is a deficient number, since it is larger than the sum of its proper divisors (1).

46365421 is an equidigital number, since it uses as much as digits as its factorization.

46365421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 31.

The square root of 46365421 is about 6809.2158873104. The cubic root of 46365421 is about 359.2510690605.

The spelling of 46365421 in words is "forty-six million, three hundred sixty-five thousand, four hundred twenty-one".