51240597 has 8 divisors (see below), whose sum is σ = 70167456. Its totient is φ = 33237072.

The previous prime is 51240589. The next prime is 51240643. The reversal of 51240597 is 79504215.

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

It is not a de Polignac number, because 51240597 - 2³ = 51240589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51240547) 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, 230703 + ... + 230924.

It is an arithmetic number, because the mean of its divisors is an integer number (8770932).

Almost surely, 2^51240597 is an apocalyptic number.

It is an amenable number.

51240597 is a deficient number, since it is larger than the sum of its proper divisors (18926859).

51240597 is a wasteful number, since it uses less digits than its factorization.

51240597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461667.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 51240597 is about 7158.2537675050. The cubic root of 51240597 is about 371.4252237723.

The spelling of 51240597 in words is "fifty-one million, two hundred forty thousand, five hundred ninety-seven".