5121951 has 16 divisors (see below), whose sum is σ = 7140960. Its totient is φ = 3261440.

The previous prime is 5121943. The next prime is 5121953. The reversal of 5121951 is 1591215.

It is a cyclic number.

It is not a de Polignac number, because 5121951 - 2³ = 5121943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9571 + ... + 10091.

It is an arithmetic number, because the mean of its divisors is an integer number (446310).

Almost surely, 2^5121951 is an apocalyptic number.

5121951 is a deficient number, since it is larger than the sum of its proper divisors (2019009).

5121951 is a wasteful number, since it uses less digits than its factorization.

5121951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666.

The product of its digits is 450, while the sum is 24.

The square root of 5121951 is about 2263.1727729009. The cubic root of 5121951 is about 172.3766646208.

The spelling of 5121951 in words is "five million, one hundred twenty-one thousand, nine hundred fifty-one".