5151405 has 32 divisors (see below), whose sum is σ = 9566208. Its totient is φ = 2318400.

The previous prime is 5151373. The next prime is 5151407. The reversal of 5151405 is 5041515.

It is not a de Polignac number, because 5151405 - 2⁵ = 5151373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5151407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7110 + ... + 7800.

It is an arithmetic number, because the mean of its divisors is an integer number (298944).

Almost surely, 2^5151405 is an apocalyptic number.

It is an amenable number.

5151405 is a deficient number, since it is larger than the sum of its proper divisors (4414803).

5151405 is a wasteful number, since it uses less digits than its factorization.

5151405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 5151405 is about 2269.6706809579. The cubic root of 5151405 is about 172.7064530853.

The spelling of 5151405 in words is "five million, one hundred fifty-one thousand, four hundred five".