402397063 has 2 divisors, whose sum is σ = 402397064. Its totient is φ = 402397062.

The previous prime is 402397057. The next prime is 402397091. The reversal of 402397063 is 360793204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402397063 - 2⁹ = 402396551 is a prime.

It is a super-2 number, since 2×402397063² = 323846792622051938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402397003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201198531 + 201198532.

It is an arithmetic number, because the mean of its divisors is an integer number (201198532).

Almost surely, 2^402397063 is an apocalyptic number.

402397063 is a deficient number, since it is larger than the sum of its proper divisors (1).

402397063 is an equidigital number, since it uses as much as digits as its factorization.

402397063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 402397063 is about 20059.8370631468. The cubic root of 402397063 is about 738.2751787270.

The spelling of 402397063 in words is "four hundred two million, three hundred ninety-seven thousand, sixty-three".