46601021 has 2 divisors, whose sum is σ = 46601022. Its totient is φ = 46601020.

The previous prime is 46601003. The next prime is 46601041. The reversal of 46601021 is 12010664.

It is a happy number.

It is an a-pointer prime, because the next prime (46601041) can be obtained adding 46601021 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27144100 + 19456921 = 5210^2 + 4411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46601021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 46600984 and 46601002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46601041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23300510 + 23300511.

It is an arithmetic number, because the mean of its divisors is an integer number (23300511).

Almost surely, 2^46601021 is an apocalyptic number.

It is an amenable number.

46601021 is a deficient number, since it is larger than the sum of its proper divisors (1).

46601021 is an equidigital number, since it uses as much as digits as its factorization.

46601021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 46601021 is about 6826.4940489244. The cubic root of 46601021 is about 359.8585375264.

Adding to 46601021 its reverse (12010664), we get a palindrome (58611685).

The spelling of 46601021 in words is "forty-six million, six hundred one thousand, twenty-one".