402028573 has 2 divisors, whose sum is σ = 402028574. Its totient is φ = 402028572.

The previous prime is 402028567. The next prime is 402028603. The reversal of 402028573 is 375820204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 396089604 + 5938969 = 19902^2 + 2437^2 .

It is a cyclic number.

It is not a de Polignac number, because 402028573 - 2⁵ = 402028541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402028513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201014286 + 201014287.

It is an arithmetic number, because the mean of its divisors is an integer number (201014287).

Almost surely, 2^402028573 is an apocalyptic number.

It is an amenable number.

402028573 is a deficient number, since it is larger than the sum of its proper divisors (1).

402028573 is an equidigital number, since it uses as much as digits as its factorization.

402028573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 402028573 is about 20050.6501889590. The cubic root of 402028573 is about 738.0497545302.

Adding to 402028573 its reverse (375820204), we get a palindrome (777848777).

The spelling of 402028573 in words is "four hundred two million, twenty-eight thousand, five hundred seventy-three".