81410295 has 32 divisors (see below), whose sum is σ = 133366464. Its totient is φ = 42393600.

The previous prime is 81410281. The next prime is 81410299. The reversal of 81410295 is 59201418.

It is a happy number.

It is not a de Polignac number, because 81410295 - 2⁸ = 81410039 is a prime.

It is a super-2 number, since 2×81410295² = 13255272263974050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81410299) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176365 + ... + 176825.

It is an arithmetic number, because the mean of its divisors is an integer number (4167702).

Almost surely, 2^81410295 is an apocalyptic number.

81410295 is a deficient number, since it is larger than the sum of its proper divisors (51956169).

81410295 is a wasteful number, since it uses less digits than its factorization.

81410295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 81410295 is about 9022.7653743185. The cubic root of 81410295 is about 433.4041938689.

The spelling of 81410295 in words is "eighty-one million, four hundred ten thousand, two hundred ninety-five".