402141293 has 2 divisors, whose sum is σ = 402141294. Its totient is φ = 402141292.

The previous prime is 402141287. The next prime is 402141359. The reversal of 402141293 is 392141204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 326416489 + 75724804 = 18067^2 + 8702^2 .

It is a cyclic number.

It is not a de Polignac number, because 402141293 - 2⁴ = 402141277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402141253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201070646 + 201070647.

It is an arithmetic number, because the mean of its divisors is an integer number (201070647).

Almost surely, 2^402141293 is an apocalyptic number.

It is an amenable number.

402141293 is a deficient number, since it is larger than the sum of its proper divisors (1).

402141293 is an equidigital number, since it uses as much as digits as its factorization.

402141293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 402141293 is about 20053.4608733754. The cubic root of 402141293 is about 738.1187257427.

Adding to 402141293 its reverse (392141204), we get a palindrome (794282497).

The spelling of 402141293 in words is "four hundred two million, one hundred forty-one thousand, two hundred ninety-three".