5101551 has 24 divisors (see below), whose sum is σ = 9070880. Its totient is φ = 2690496.

The previous prime is 5101549. The next prime is 5101559. The reversal of 5101551 is 1551015.

5101551 is a `hidden beast` number, since 510 + 155 + 1 = 666.

It is not a de Polignac number, because 5101551 - 2¹ = 5101549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5101559) 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 in 23 ways as a sum of consecutive naturals, for example, 2296 + ... + 3933.

Almost surely, 2^5101551 is an apocalyptic number.

5101551 is a deficient number, since it is larger than the sum of its proper divisors (3969329).

5101551 is a wasteful number, since it uses less digits than its factorization.

5101551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6255 (or 6252 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

The square root of 5101551 is about 2258.6613291948. The cubic root of 5101551 is about 172.1475095672.

Adding to 5101551 its reverse (1551015), we get a palindrome (6652566).

The spelling of 5101551 in words is "five million, one hundred one thousand, five hundred fifty-one".