51351298 has 4 divisors (see below), whose sum is σ = 77026950. Its totient is φ = 25675648.

The previous prime is 51351253. The next prime is 51351359. The reversal of 51351298 is 89215315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28912129 + 22439169 = 5377^2 + 4737^2 .

It is a super-3 number, since 3×51351298³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12837823 + ... + 12837826.

Almost surely, 2^51351298 is an apocalyptic number.

51351298 is a deficient number, since it is larger than the sum of its proper divisors (25675652).

51351298 is a wasteful number, since it uses less digits than its factorization.

51351298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25675651.

The product of its digits is 10800, while the sum is 34.

The square root of 51351298 is about 7165.9819983028. The cubic root of 51351298 is about 371.6925090340.

The spelling of 51351298 in words is "fifty-one million, three hundred fifty-one thousand, two hundred ninety-eight".