73151263 has 2 divisors, whose sum is σ = 73151264. Its totient is φ = 73151262.

The previous prime is 73151233. The next prime is 73151269. The reversal of 73151263 is 36215137.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73151263 - 2⁵ = 73151231 is a prime.

It is a super-2 number, since 2×73151263² = 10702214556990338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73151269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36575631 + 36575632.

It is an arithmetic number, because the mean of its divisors is an integer number (36575632).

Almost surely, 2^73151263 is an apocalyptic number.

73151263 is a deficient number, since it is larger than the sum of its proper divisors (1).

73151263 is an equidigital number, since it uses as much as digits as its factorization.

73151263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 28.

The square root of 73151263 is about 8552.8511620395. The cubic root of 73151263 is about 418.2223868716. Note that the first 3 decimals are identical.

The spelling of 73151263 in words is "seventy-three million, one hundred fifty-one thousand, two hundred sixty-three".