51314245 has 16 divisors (see below), whose sum is σ = 65391408. Its totient is φ = 38522880.

The previous prime is 51314243. The next prime is 51314267. The reversal of 51314245 is 54241315.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 13380964 + 37933281 = 3658^2 + 6159^2 .

It is not a de Polignac number, because 51314245 - 2¹ = 51314243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51314243) 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, 38185 + ... + 39505.

It is an arithmetic number, because the mean of its divisors is an integer number (4086963).

Almost surely, 2^51314245 is an apocalyptic number.

It is an amenable number.

51314245 is a deficient number, since it is larger than the sum of its proper divisors (14077163).

51314245 is a wasteful number, since it uses less digits than its factorization.

51314245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800.

The product of its digits is 2400, while the sum is 25.

The square root of 51314245 is about 7163.3961917515. The cubic root of 51314245 is about 371.6030881436.

The spelling of 51314245 in words is "fifty-one million, three hundred fourteen thousand, two hundred forty-five".