46132021 has 8 divisors (see below), whose sum is σ = 49737240. Its totient is φ = 42534912.

The previous prime is 46132003. The next prime is 46132091. The reversal of 46132021 is 12023164.

It can be written as a sum of positive squares in 4 ways, for example, as 15760900 + 30371121 = 3970^2 + 5511^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 46132021 - 2⁵ = 46131989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 46132021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46132001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15381 + ... + 18133.

It is an arithmetic number, because the mean of its divisors is an integer number (6217155).

Almost surely, 2^46132021 is an apocalyptic number.

It is an amenable number.

46132021 is a deficient number, since it is larger than the sum of its proper divisors (3605219).

46132021 is a wasteful number, since it uses less digits than its factorization.

46132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 46132021 is about 6792.0557270977. The cubic root of 46132021 is about 358.6472405367.

Adding to 46132021 its reverse (12023164), we get a palindrome (58155185).

It can be divided in two parts, 4613202 and 1, that added together give a triangular number (4613203 = T₃₀₃₇).

The spelling of 46132021 in words is "forty-six million, one hundred thirty-two thousand, twenty-one".