405428141 has 2 divisors, whose sum is σ = 405428142. Its totient is φ = 405428140.

The previous prime is 405428113. The next prime is 405428201. The reversal of 405428141 is 141824504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231952900 + 173475241 = 15230^2 + 13171^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-405428141 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405428041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202714070 + 202714071.

It is an arithmetic number, because the mean of its divisors is an integer number (202714071).

Almost surely, 2^405428141 is an apocalyptic number.

It is an amenable number.

405428141 is a deficient number, since it is larger than the sum of its proper divisors (1).

405428141 is an equidigital number, since it uses as much as digits as its factorization.

405428141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 405428141 is about 20135.2462363886. The cubic root of 405428141 is about 740.1242432002.

The spelling of 405428141 in words is "four hundred five million, four hundred twenty-eight thousand, one hundred forty-one".