402027541 has 2 divisors, whose sum is σ = 402027542. Its totient is φ = 402027540.

The previous prime is 402027503. The next prime is 402027547. The reversal of 402027541 is 145720204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 314530225 + 87497316 = 17735^2 + 9354^2 .

It is a cyclic number.

It is not a de Polignac number, because 402027541 - 2¹⁵ = 401994773 is a prime.

It is a super-2 number, since 2×402027541² = 323252287445013362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402027547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201013770 + 201013771.

It is an arithmetic number, because the mean of its divisors is an integer number (201013771).

Almost surely, 2^402027541 is an apocalyptic number.

It is an amenable number.

402027541 is a deficient number, since it is larger than the sum of its proper divisors (1).

402027541 is an equidigital number, since it uses as much as digits as its factorization.

402027541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 402027541 is about 20050.6244541161. The cubic root of 402027541 is about 738.0491230096.

Adding to 402027541 its reverse (145720204), we get a palindrome (547747745).

The spelling of 402027541 in words is "four hundred two million, twenty-seven thousand, five hundred forty-one".