402641341 has 2 divisors, whose sum is σ = 402641342. Its totient is φ = 402641340.

The previous prime is 402641269. The next prime is 402641353. The reversal of 402641341 is 143146204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 277089316 + 125552025 = 16646^2 + 11205^2 .

It is a cyclic number.

It is not a de Polignac number, because 402641341 - 2¹⁵ = 402608573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402641741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201320670 + 201320671.

It is an arithmetic number, because the mean of its divisors is an integer number (201320671).

Almost surely, 2^402641341 is an apocalyptic number.

It is an amenable number.

402641341 is a deficient number, since it is larger than the sum of its proper divisors (1).

402641341 is an equidigital number, since it uses as much as digits as its factorization.

402641341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 402641341 is about 20065.9248727787. The cubic root of 402641341 is about 738.4245402407.

Adding to 402641341 its reverse (143146204), we get a palindrome (545787545).

The spelling of 402641341 in words is "four hundred two million, six hundred forty-one thousand, three hundred forty-one".