2563534342 has 8 divisors (see below), whose sum is σ = 3851246736. Its totient is φ = 1279785432.

The previous prime is 2563534331. The next prime is 2563534343. The reversal of 2563534342 is 2434353652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2563534342² = 13143416645226745928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563534343) 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, 989253 + ... + 991840.

It is an arithmetic number, because the mean of its divisors is an integer number (481405842).

Almost surely, 2^2563534342 is an apocalyptic number.

2563534342 is a deficient number, since it is larger than the sum of its proper divisors (1287712394).

2563534342 is a wasteful number, since it uses less digits than its factorization.

2563534342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981742.

The product of its digits is 259200, while the sum is 37.

The square root of 2563534342 is about 50631.3572996024. The cubic root of 2563534342 is about 1368.6100136592.

Adding to 2563534342 its reverse (2434353652), we get a palindrome (4997887994).

The spelling of 2563534342 in words is "two billion, five hundred sixty-three million, five hundred thirty-four thousand, three hundred forty-two".