46021181 has 2 divisors, whose sum is σ = 46021182. Its totient is φ = 46021180.

The previous prime is 46021139. The next prime is 46021189. The reversal of 46021181 is 18112064.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39816100 + 6205081 = 6310^2 + 2491^2 .

It is a cyclic number.

It is not a de Polignac number, because 46021181 - 2²² = 41826877 is a prime.

It is a super-2 number, since 2×46021181² = 4235898201269522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46021189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23010590 + 23010591.

It is an arithmetic number, because the mean of its divisors is an integer number (23010591).

Almost surely, 2^46021181 is an apocalyptic number.

It is an amenable number.

46021181 is a deficient number, since it is larger than the sum of its proper divisors (1).

46021181 is an equidigital number, since it uses as much as digits as its factorization.

46021181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 46021181 is about 6783.8912874544. The cubic root of 46021181 is about 358.3597732549.

The spelling of 46021181 in words is "forty-six million, twenty-one thousand, one hundred eighty-one".