5121651 has 8 divisors (see below), whose sum is σ = 7013584. Its totient is φ = 3322080.

The previous prime is 5121643. The next prime is 5121653. The reversal of 5121651 is 1561215.

5121651 is digitally balanced in base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5121651 - 2³ = 5121643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5121653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22960 + ... + 23181.

It is an arithmetic number, because the mean of its divisors is an integer number (876698).

Almost surely, 2^5121651 is an apocalyptic number.

5121651 is a deficient number, since it is larger than the sum of its proper divisors (1891933).

5121651 is a wasteful number, since it uses less digits than its factorization.

5121651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46181.

The product of its digits is 300, while the sum is 21.

The square root of 5121651 is about 2263.1064932963. The cubic root of 5121651 is about 172.3732991057.

Adding to 5121651 its reverse (1561215), we get a palindrome (6682866).

The spelling of 5121651 in words is "five million, one hundred twenty-one thousand, six hundred fifty-one".