402026351 has 2 divisors, whose sum is σ = 402026352. Its totient is φ = 402026350.

The previous prime is 402026347. The next prime is 402026369. The reversal of 402026351 is 153620204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402026351 - 2² = 402026347 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402026341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201013175 + 201013176.

It is an arithmetic number, because the mean of its divisors is an integer number (201013176).

Almost surely, 2^402026351 is an apocalyptic number.

402026351 is a deficient number, since it is larger than the sum of its proper divisors (1).

402026351 is an equidigital number, since it uses as much as digits as its factorization.

402026351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 402026351 is about 20050.5947792079. The cubic root of 402026351 is about 738.0483948014.

Adding to 402026351 its reverse (153620204), we get a palindrome (555646555).

The spelling of 402026351 in words is "four hundred two million, twenty-six thousand, three hundred fifty-one".