80253261 has 20 divisors (see below), whose sum is σ = 130784544. Its totient is φ = 48637800.

The previous prime is 80253227. The next prime is 80253263. The reversal of 80253261 is 16235208.

It is not a de Polignac number, because 80253261 - 2⁶ = 80253197 is a prime.

It is a super-2 number, since 2×80253261² = 12881171802268242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80253263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44145 + ... + 45926.

Almost surely, 2^80253261 is an apocalyptic number.

80253261 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

80253261 is a deficient number, since it is larger than the sum of its proper divisors (50531283).

80253261 is a wasteful number, since it uses less digits than its factorization.

80253261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90094 (or 90085 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 80253261 is about 8958.4184430066. The cubic root of 80253261 is about 431.3411542661.

Adding to 80253261 its reverse (16235208), we get a palindrome (96488469).

The spelling of 80253261 in words is "eighty million, two hundred fifty-three thousand, two hundred sixty-one".