5150561 has 4 divisors (see below), whose sum is σ = 5546772. Its totient is φ = 4754352.

The previous prime is 5150549. The next prime is 5150567. The reversal of 5150561 is 1650515.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1650515 = 5 ⋅330103.

It can be written as a sum of positive squares in 2 ways, for example, as 398161 + 4752400 = 631^2 + 2180^2 .

It is a cyclic number.

It is not a de Polignac number, because 5150561 - 2¹⁰ = 5149537 is a prime.

It is a super-2 number, since 2×5150561² = 53056557229442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5150567) 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, 198086 + ... + 198111.

It is an arithmetic number, because the mean of its divisors is an integer number (1386693).

Almost surely, 2^5150561 is an apocalyptic number.

It is an amenable number.

5150561 is a deficient number, since it is larger than the sum of its proper divisors (396211).

5150561 is a wasteful number, since it uses less digits than its factorization.

5150561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396210.

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

The square root of 5150561 is about 2269.4847432843. The cubic root of 5150561 is about 172.6970205643.

The spelling of 5150561 in words is "five million, one hundred fifty thousand, five hundred sixty-one".