897784325 has 6 divisors (see below), whose sum is σ = 1113252594. Its totient is φ = 718227440.

The previous prime is 897784313. The next prime is 897784337. The reversal of 897784325 is 523487798.

It is an interprime number because it is at equal distance from previous prime (897784313) and next prime (897784337).

It can be written as a sum of positive squares in 3 ways, for example, as 4133089 + 893651236 = 2033^2 + 29894^2 .

It is not a de Polignac number, because 897784325 - 2⁴ = 897784309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17955662 + ... + 17955711.

It is an arithmetic number, because the mean of its divisors is an integer number (185542099).

Almost surely, 2^897784325 is an apocalyptic number.

It is an amenable number.

897784325 is a deficient number, since it is larger than the sum of its proper divisors (215468269).

897784325 is a wasteful number, since it uses less digits than its factorization.

897784325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35911383 (or 35911378 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 53.

The square root of 897784325 is about 29963.0493274633. The cubic root of 897784325 is about 964.6964332808.

The spelling of 897784325 in words is "eight hundred ninety-seven million, seven hundred eighty-four thousand, three hundred twenty-five".