51234115 has 4 divisors (see below), whose sum is σ = 61480944. Its totient is φ = 40987288.

The previous prime is 51234091. The next prime is 51234119. The reversal of 51234115 is 51143215.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51143215 = 5 ⋅10228643.

It is a cyclic number.

It is not a de Polignac number, because 51234115 - 2²¹ = 49136963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51234119) 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, 5123407 + ... + 5123416.

It is an arithmetic number, because the mean of its divisors is an integer number (15370236).

Almost surely, 2^51234115 is an apocalyptic number.

51234115 is a deficient number, since it is larger than the sum of its proper divisors (10246829).

51234115 is a wasteful number, since it uses less digits than its factorization.

51234115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10246828.

The product of its digits is 600, while the sum is 22.

The square root of 51234115 is about 7157.8009891307. The cubic root of 51234115 is about 371.4095611924.

The spelling of 51234115 in words is "fifty-one million, two hundred thirty-four thousand, one hundred fifteen".