5151506 has 4 divisors (see below), whose sum is σ = 7727262. Its totient is φ = 2575752.

The previous prime is 5151491. The next prime is 5151521. The reversal of 5151506 is 6051515.

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

It is an interprime number because it is at equal distance from previous prime (5151491) and next prime (5151521).

It can be written as a sum of positive squares in only one way, i.e., 4239481 + 912025 = 2059^2 + 955^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1287875 + ... + 1287878.

Almost surely, 2^5151506 is an apocalyptic number.

5151506 is a deficient number, since it is larger than the sum of its proper divisors (2575756).

5151506 is a wasteful number, since it uses less digits than its factorization.

5151506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575755.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 5151506 is about 2269.6929307728. The cubic root of 5151506 is about 172.7075817896.

Subtracting 5151506 from its reverse (6051515), we obtain a palindrome (900009).

The spelling of 5151506 in words is "five million, one hundred fifty-one thousand, five hundred six".