73051251 has 16 divisors (see below), whose sum is σ = 119879424. Its totient is φ = 38532384.

The previous prime is 73051249. The next prime is 73051259. The reversal of 73051251 is 15215037.

It is not a de Polignac number, because 73051251 - 2¹ = 73051249 is a prime.

It is a super-3 number, since 3×73051251³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (73051259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133521 + ... + 134066.

It is an arithmetic number, because the mean of its divisors is an integer number (7492464).

Almost surely, 2^73051251 is an apocalyptic number.

73051251 is a deficient number, since it is larger than the sum of its proper divisors (46828173).

73051251 is a wasteful number, since it uses less digits than its factorization.

73051251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267610.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 73051251 is about 8547.0024570021. The cubic root of 73051251 is about 418.0317028373.

Adding to 73051251 its reverse (15215037), we get a palindrome (88266288).

The spelling of 73051251 in words is "seventy-three million, fifty-one thousand, two hundred fifty-one".