405025141 has 2 divisors, whose sum is σ = 405025142. Its totient is φ = 405025140.

The previous prime is 405025129. The next prime is 405025151. The reversal of 405025141 is 141520504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363474225 + 41550916 = 19065^2 + 6446^2 .

It is a cyclic number.

It is not a de Polignac number, because 405025141 - 2¹¹ = 405023093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405025111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202512570 + 202512571.

It is an arithmetic number, because the mean of its divisors is an integer number (202512571).

Almost surely, 2^405025141 is an apocalyptic number.

It is an amenable number.

405025141 is a deficient number, since it is larger than the sum of its proper divisors (1).

405025141 is an equidigital number, since it uses as much as digits as its factorization.

405025141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 405025141 is about 20125.2364209716. The cubic root of 405025141 is about 739.8789313744.

Adding to 405025141 its reverse (141520504), we get a palindrome (546545645).

The spelling of 405025141 in words is "four hundred five million, twenty-five thousand, one hundred forty-one".