51241407 has 24 divisors (see below), whose sum is σ = 80988336. Its totient is φ = 28723968.

The previous prime is 51241387. The next prime is 51241409. The reversal of 51241407 is 70414215.

It is not a de Polignac number, because 51241407 - 2⁶ = 51241343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51241409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4503 + ... + 11079.

It is an arithmetic number, because the mean of its divisors is an integer number (3374514).

Almost surely, 2^51241407 is an apocalyptic number.

51241407 is a deficient number, since it is larger than the sum of its proper divisors (29746929).

51241407 is a wasteful number, since it uses less digits than its factorization.

51241407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6647 (or 6640 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 51241407 is about 7158.3103453259. The cubic root of 51241407 is about 371.4271808979.

The spelling of 51241407 in words is "fifty-one million, two hundred forty-one thousand, four hundred seven".