402274601 has 2 divisors, whose sum is σ = 402274602. Its totient is φ = 402274600.

The previous prime is 402274583. The next prime is 402274661. The reversal of 402274601 is 106472204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292444201 + 109830400 = 17101^2 + 10480^2 .

It is a cyclic number.

It is not a de Polignac number, because 402274601 - 2²⁶ = 335165737 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (402274661) 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, 201137300 + 201137301.

It is an arithmetic number, because the mean of its divisors is an integer number (201137301).

Almost surely, 2^402274601 is an apocalyptic number.

It is an amenable number.

402274601 is a deficient number, since it is larger than the sum of its proper divisors (1).

402274601 is an equidigital number, since it uses as much as digits as its factorization.

402274601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 402274601 is about 20056.7844132603. The cubic root of 402274601 is about 738.2002777263.

The spelling of 402274601 in words is "four hundred two million, two hundred seventy-four thousand, six hundred one".