402025543 has 2 divisors, whose sum is σ = 402025544. Its totient is φ = 402025542.

The previous prime is 402025529. The next prime is 402025553. The reversal of 402025543 is 345520204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402025543 - 2⁹ = 402025031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402025553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201012771 + 201012772.

It is an arithmetic number, because the mean of its divisors is an integer number (201012772).

Almost surely, 2^402025543 is an apocalyptic number.

402025543 is a deficient number, since it is larger than the sum of its proper divisors (1).

402025543 is an equidigital number, since it uses as much as digits as its factorization.

402025543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 402025543 is about 20050.5746301696. The cubic root of 402025543 is about 738.0479003533.

Adding to 402025543 its reverse (345520204), we get a palindrome (747545747).

The spelling of 402025543 in words is "four hundred two million, twenty-five thousand, five hundred forty-three".