46751021 has 2 divisors, whose sum is σ = 46751022. Its totient is φ = 46751020.

The previous prime is 46750997. The next prime is 46751051. The reversal of 46751021 is 12015764.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36421225 + 10329796 = 6035^2 + 3214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46751021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46751051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23375510 + 23375511.

It is an arithmetic number, because the mean of its divisors is an integer number (23375511).

Almost surely, 2^46751021 is an apocalyptic number.

It is an amenable number.

46751021 is a deficient number, since it is larger than the sum of its proper divisors (1).

46751021 is an equidigital number, since it uses as much as digits as its factorization.

46751021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 46751021 is about 6837.4718280955. The cubic root of 46751021 is about 360.2442298492.

Adding to 46751021 its reverse (12015764), we get a palindrome (58766785).

The spelling of 46751021 in words is "forty-six million, seven hundred fifty-one thousand, twenty-one".