97255493 has 2 divisors, whose sum is σ = 97255494. Its totient is φ = 97255492.

The previous prime is 97255489. The next prime is 97255507. The reversal of 97255493 is 39455279.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50154724 + 47100769 = 7082^2 + 6863^2 .

It is a cyclic number.

It is not a de Polignac number, because 97255493 - 2² = 97255489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97255393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48627746 + 48627747.

It is an arithmetic number, because the mean of its divisors is an integer number (48627747).

Almost surely, 2^97255493 is an apocalyptic number.

It is an amenable number.

97255493 is a deficient number, since it is larger than the sum of its proper divisors (1).

97255493 is an equidigital number, since it uses as much as digits as its factorization.

97255493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 44.

The square root of 97255493 is about 9861.8199638809. The cubic root of 97255493 is about 459.8731423975.

It can be divided in two parts, 972 and 55493, that added together give a palindrome (56465).

The spelling of 97255493 in words is "ninety-seven million, two hundred fifty-five thousand, four hundred ninety-three".