402351241 has 4 divisors (see below), whose sum is σ = 404457984. Its totient is φ = 400244500.

The previous prime is 402351227. The next prime is 402351311. The reversal of 402351241 is 142153204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 402351241 - 2¹³ = 402343049 is a prime.

It is a super-2 number, since 2×402351241² = 323773042268480162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402351211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1053085 + ... + 1053466.

It is an arithmetic number, because the mean of its divisors is an integer number (101114496).

Almost surely, 2^402351241 is an apocalyptic number.

It is an amenable number.

402351241 is a deficient number, since it is larger than the sum of its proper divisors (2106743).

402351241 is a wasteful number, since it uses less digits than its factorization.

402351241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106742.

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

The square root of 402351241 is about 20058.6948977245. The cubic root of 402351241 is about 738.2471545584.

The spelling of 402351241 in words is "four hundred two million, three hundred fifty-one thousand, two hundred forty-one".