81254262 has 32 divisors (see below), whose sum is σ = 173530368. Its totient is φ = 25302816.

The previous prime is 81254231. The next prime is 81254267. The reversal of 81254262 is 26245218.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81254267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913 + ... + 12780.

It is an arithmetic number, because the mean of its divisors is an integer number (5422824).

Almost surely, 2^81254262 is an apocalyptic number.

81254262 is an abundant number, since it is smaller than the sum of its proper divisors (92276106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

81254262 is a wasteful number, since it uses less digits than its factorization.

81254262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13764.

The product of its digits is 7680, while the sum is 30.

The square root of 81254262 is about 9014.1145987834. The cubic root of 81254262 is about 433.1271256889.

The spelling of 81254262 in words is "eighty-one million, two hundred fifty-four thousand, two hundred sixty-two".