51970403 has 8 divisors (see below), whose sum is σ = 52398000. Its totient is φ = 51545088.

The previous prime is 51970333. The next prime is 51970439. The reversal of 51970403 is 30407915.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51970403 - 2⁸ = 51970147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51970103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115523 + ... + 115971.

It is an arithmetic number, because the mean of its divisors is an integer number (6549750).

Almost surely, 2^51970403 is an apocalyptic number.

51970403 is a deficient number, since it is larger than the sum of its proper divisors (427597).

51970403 is a wasteful number, since it uses less digits than its factorization.

51970403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 51970403 is about 7209.0500761196. The cubic root of 51970403 is about 373.1802874135.

The spelling of 51970403 in words is "fifty-one million, nine hundred seventy thousand, four hundred three".