802741261 has 4 divisors (see below), whose sum is σ = 917418592. Its totient is φ = 688063932.

The previous prime is 802741253. The next prime is 802741267. The reversal of 802741261 is 162147208.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 802741261 - 2³ = 802741253 is a prime.

It is a super-2 number, since 2×802741261² = 1288787064223740242, which 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 (802741267) 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, 57338655 + ... + 57338668.

It is an arithmetic number, because the mean of its divisors is an integer number (229354648).

Almost surely, 2^802741261 is an apocalyptic number.

It is an amenable number.

802741261 is a deficient number, since it is larger than the sum of its proper divisors (114677331).

802741261 is a wasteful number, since it uses less digits than its factorization.

802741261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114677330.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 802741261 is about 28332.6889122794. The cubic root of 802741261 is about 929.3768751408.

Adding to 802741261 its reverse (162147208), we get a palindrome (964888469).

The spelling of 802741261 in words is "eight hundred two million, seven hundred forty-one thousand, two hundred sixty-one".