402262501 has 2 divisors, whose sum is σ = 402262502. Its totient is φ = 402262500.

The previous prime is 402262493. The next prime is 402262529. The reversal of 402262501 is 105262204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 353402401 + 48860100 = 18799^2 + 6990^2 .

It is a cyclic number.

It is not a de Polignac number, because 402262501 - 2³ = 402262493 is a prime.

It is a Chen prime.

It is equal to p_21450451 and since 402262501 and 21450451 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402262561) 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, 201131250 + 201131251.

It is an arithmetic number, because the mean of its divisors is an integer number (201131251).

Almost surely, 2^402262501 is an apocalyptic number.

It is an amenable number.

402262501 is a deficient number, since it is larger than the sum of its proper divisors (1).

402262501 is an equidigital number, since it uses as much as digits as its factorization.

402262501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 402262501 is about 20056.4827674246. The cubic root of 402262501 is about 738.1928762209.

The spelling of 402262501 in words is "four hundred two million, two hundred sixty-two thousand, five hundred one".