61282802351 has 4 divisors (see below), whose sum is σ = 61364404704. Its totient is φ = 61201200000.

The previous prime is 61282802333. The next prime is 61282802363. The reversal of 61282802351 is 15320828216.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61282802351 is a prime.

It is a super-2 number, since 2×61282802351² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61282802551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40800050 + ... + 40801551.

It is an arithmetic number, because the mean of its divisors is an integer number (15341101176).

Almost surely, 2^61282802351 is an apocalyptic number.

61282802351 is a deficient number, since it is larger than the sum of its proper divisors (81602353).

61282802351 is an equidigital number, since it uses as much as digits as its factorization.

61282802351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81602352.

The product of its (nonzero) digits is 46080, while the sum is 38.

The spelling of 61282802351 in words is "sixty-one billion, two hundred eighty-two million, eight hundred two thousand, three hundred fifty-one".