5425156538 has 4 divisors (see below), whose sum is σ = 8137734810. Its totient is φ = 2712578268.

The previous prime is 5425156537. The next prime is 5425156577. The reversal of 5425156538 is 8356515245.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 4926214969 + 498941569 = 70187^2 + 22337^2 .

It is not an unprimeable number, because it can be changed into a prime (5425156537) 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 as a sum of consecutive naturals, namely, 1356289133 + ... + 1356289136.

Almost surely, 2^5425156538 is an apocalyptic number.

5425156538 is a deficient number, since it is larger than the sum of its proper divisors (2712578272).

5425156538 is a wasteful number, since it uses less digits than its factorization.

5425156538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712578271.

The product of its digits is 720000, while the sum is 44.

The square root of 5425156538 is about 73655.6619548015. The cubic root of 5425156538 is about 1757.1307996535.

The spelling of 5425156538 in words is "five billion, four hundred twenty-five million, one hundred fifty-six thousand, five hundred thirty-eight".