97281995 has 8 divisors (see below), whose sum is σ = 122882640. Its totient is φ = 73729440.

The previous prime is 97281983. The next prime is 97281997. The reversal of 97281995 is 59918279.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97281995 - 2⁶ = 97281931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97281997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511916 + ... + 512105.

It is an arithmetic number, because the mean of its divisors is an integer number (15360330).

Almost surely, 2^97281995 is an apocalyptic number.

97281995 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

97281995 is a deficient number, since it is larger than the sum of its proper divisors (25600645).

97281995 is a wasteful number, since it uses less digits than its factorization.

97281995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024045.

The product of its digits is 408240, while the sum is 50.

The square root of 97281995 is about 9863.1635391491. The cubic root of 97281995 is about 459.9149102222.

The spelling of 97281995 in words is "ninety-seven million, two hundred eighty-one thousand, nine hundred ninety-five".