5156906 has 4 divisors (see below), whose sum is σ = 7735362. Its totient is φ = 2578452.

The previous prime is 5156897. The next prime is 5156911. The reversal of 5156906 is 6096515.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6096515 = 5 ⋅1219303.

It can be written as a sum of positive squares in only one way, i.e., 3222025 + 1934881 = 1795^2 + 1391^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1289225 + ... + 1289228.

Almost surely, 2^5156906 is an apocalyptic number.

5156906 is a deficient number, since it is larger than the sum of its proper divisors (2578456).

5156906 is a wasteful number, since it uses less digits than its factorization.

5156906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578455.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 5156906 is about 2270.8822074251. The cubic root of 5156906 is about 172.7679068843.

The spelling of 5156906 in words is "five million, one hundred fifty-six thousand, nine hundred six".