5158906 has 4 divisors (see below), whose sum is σ = 7738362. Its totient is φ = 2579452.

The previous prime is 5158903. The next prime is 5158913. The reversal of 5158906 is 6098515.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6098515 = 5 ⋅1219703.

It can be written as a sum of positive squares in only one way, i.e., 3455881 + 1703025 = 1859^2 + 1305^2 .

It is a super-2 number, since 2×5158906² = 53228622233672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5158903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1289725 + ... + 1289728.

Almost surely, 2^5158906 is an apocalyptic number.

5158906 is a deficient number, since it is larger than the sum of its proper divisors (2579456).

5158906 is a wasteful number, since it uses less digits than its factorization.

5158906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579455.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 5158906 is about 2271.3225222324. The cubic root of 5158906 is about 172.7902388248.

The spelling of 5158906 in words is "five million, one hundred fifty-eight thousand, nine hundred six".