402542363 has 4 divisors (see below), whose sum is σ = 403476768. Its totient is φ = 401607960.

The previous prime is 402542353. The next prime is 402542407. The reversal of 402542363 is 363245204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 402542363 - 2¹⁰ = 402541339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402542323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466556 + ... + 467417.

It is an arithmetic number, because the mean of its divisors is an integer number (100869192).

Almost surely, 2^402542363 is an apocalyptic number.

402542363 is a deficient number, since it is larger than the sum of its proper divisors (934405).

402542363 is an equidigital number, since it uses as much as digits as its factorization.

402542363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934404.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 402542363 is about 20063.4584007842. The cubic root of 402542363 is about 738.3640283439.

Adding to 402542363 its reverse (363245204), we get a palindrome (765787567).

The spelling of 402542363 in words is "four hundred two million, five hundred forty-two thousand, three hundred sixty-three".