51013407 has 8 divisors (see below), whose sum is σ = 70363440. Its totient is φ = 32836160.

The previous prime is 51013393. The next prime is 51013409. The reversal of 51013407 is 70431015.

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 51013407 - 2¹⁵ = 50980639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51013409) 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, 293094 + ... + 293267.

It is an arithmetic number, because the mean of its divisors is an integer number (8795430).

Almost surely, 2^51013407 is an apocalyptic number.

51013407 is a deficient number, since it is larger than the sum of its proper divisors (19350033).

51013407 is a wasteful number, since it uses less digits than its factorization.

51013407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586393.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 51013407 is about 7142.3670446148. The cubic root of 51013407 is about 370.8754701043.

The spelling of 51013407 in words is "fifty-one million, thirteen thousand, four hundred seven".