7161254263 has 4 divisors (see below), whose sum is σ = 7472613168. Its totient is φ = 6849895360.

The previous prime is 7161254257. The next prime is 7161254279. The reversal of 7161254263 is 3624521617.

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

It is a cyclic number.

It is not a de Polignac number, because 7161254263 - 2²⁹ = 6624383351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7161254213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155679418 + ... + 155679463.

It is an arithmetic number, because the mean of its divisors is an integer number (1868153292).

Almost surely, 2^7161254263 is an apocalyptic number.

7161254263 is a deficient number, since it is larger than the sum of its proper divisors (311358905).

7161254263 is a wasteful number, since it uses less digits than its factorization.

7161254263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311358904.

The product of its digits is 60480, while the sum is 37.

The square root of 7161254263 is about 84624.1943122651. The cubic root of 7161254263 is about 1927.5087782800.

The spelling of 7161254263 in words is "seven billion, one hundred sixty-one million, two hundred fifty-four thousand, two hundred sixty-three".