402025573 has 2 divisors, whose sum is σ = 402025574. Its totient is φ = 402025572.

The previous prime is 402025553. The next prime is 402025597. The reversal of 402025573 is 375520204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 355812769 + 46212804 = 18863^2 + 6798^2 .

It is a cyclic number.

It is not a de Polignac number, because 402025573 - 2¹³ = 402017381 is a prime.

It is a super-2 number, since 2×402025573² = 323249122691956658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402025543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201012786 + 201012787.

It is an arithmetic number, because the mean of its divisors is an integer number (201012787).

Almost surely, 2^402025573 is an apocalyptic number.

It is an amenable number.

402025573 is a deficient number, since it is larger than the sum of its proper divisors (1).

402025573 is an equidigital number, since it uses as much as digits as its factorization.

402025573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 402025573 is about 20050.5753782778. The cubic root of 402025573 is about 738.0479187115.

Adding to 402025573 its reverse (375520204), we get a palindrome (777545777).

The spelling of 402025573 in words is "four hundred two million, twenty-five thousand, five hundred seventy-three".