402251341 has 2 divisors, whose sum is σ = 402251342. Its totient is φ = 402251340.

The previous prime is 402251293. The next prime is 402251357. The reversal of 402251341 is 143152204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 362750116 + 39501225 = 19046^2 + 6285^2 .

It is a cyclic number.

It is not a de Polignac number, because 402251341 - 2⁹ = 402250829 is a prime.

It is a super-2 number, since 2×402251341² = 323612282672596562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402252341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201125670 + 201125671.

It is an arithmetic number, because the mean of its divisors is an integer number (201125671).

Almost surely, 2^402251341 is an apocalyptic number.

It is an amenable number.

402251341 is a deficient number, since it is larger than the sum of its proper divisors (1).

402251341 is an equidigital number, since it uses as much as digits as its factorization.

402251341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 402251341 is about 20056.2045512106. The cubic root of 402251341 is about 738.1860495768.

The spelling of 402251341 in words is "four hundred two million, two hundred fifty-one thousand, three hundred forty-one".