97280263 has 4 divisors (see below), whose sum is σ = 100418368. Its totient is φ = 94142160.

The previous prime is 97280257. The next prime is 97280269. The reversal of 97280263 is 36208279.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (97280257) and next prime (97280269).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97280263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97280269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1569006 + ... + 1569067.

It is an arithmetic number, because the mean of its divisors is an integer number (25104592).

Almost surely, 2^97280263 is an apocalyptic number.

97280263 is a deficient number, since it is larger than the sum of its proper divisors (3138105).

97280263 is a wasteful number, since it uses less digits than its factorization.

97280263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138104.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 97280263 is about 9863.0757373144. The cubic root of 97280263 is about 459.9121807779.

The spelling of 97280263 in words is "ninety-seven million, two hundred eighty thousand, two hundred sixty-three".