46561399 has 2 divisors, whose sum is σ = 46561400. Its totient is φ = 46561398.

The previous prime is 46561397. The next prime is 46561409. The reversal of 46561399 is 99316564.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46561399 - 2¹ = 46561397 is a prime.

Together with 46561397, 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 (46561397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23280699 + 23280700.

It is an arithmetic number, because the mean of its divisors is an integer number (23280700).

Almost surely, 2^46561399 is an apocalyptic number.

46561399 is a deficient number, since it is larger than the sum of its proper divisors (1).

46561399 is an equidigital number, since it uses as much as digits as its factorization.

46561399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 43.

The square root of 46561399 is about 6823.5913564633. The cubic root of 46561399 is about 359.7565200343.

The spelling of 46561399 in words is "forty-six million, five hundred sixty-one thousand, three hundred ninety-nine".