51023413 has 16 divisors (see below), whose sum is σ = 60065280. Its totient is φ = 42433776.

The previous prime is 51023363. The next prime is 51023429. The reversal of 51023413 is 31432015.

It is not a de Polignac number, because 51023413 - 2¹³ = 51015221 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 (51020413) 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, 53406 + ... + 54352.

It is an arithmetic number, because the mean of its divisors is an integer number (3754080).

Almost surely, 2^51023413 is an apocalyptic number.

It is an amenable number.

51023413 is a deficient number, since it is larger than the sum of its proper divisors (9041867).

51023413 is a wasteful number, since it uses less digits than its factorization.

51023413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 51023413 is about 7143.0674783317. The cubic root of 51023413 is about 370.8997169155.

Adding to 51023413 its reverse (31432015), we get a palindrome (82455428).

It can be divided in two parts, 5102 and 3413, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 51023413 in words is "fifty-one million, twenty-three thousand, four hundred thirteen".