897375242 has 4 divisors (see below), whose sum is σ = 1346062866. Its totient is φ = 448687620.

The previous prime is 897375229. The next prime is 897375247. The reversal of 897375242 is 242573798.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 508457401 + 388917841 = 22549^2 + 19721^2 .

It is not an unprimeable number, because it can be changed into a prime (897375247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224343809 + ... + 224343812.

Almost surely, 2^897375242 is an apocalyptic number.

897375242 is a deficient number, since it is larger than the sum of its proper divisors (448687624).

897375242 is a wasteful number, since it uses less digits than its factorization.

897375242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448687623.

The product of its digits is 846720, while the sum is 47.

The square root of 897375242 is about 29956.2220915789. Note that the first 3 decimals coincide. The cubic root of 897375242 is about 964.5498869980.

The spelling of 897375242 in words is "eight hundred ninety-seven million, three hundred seventy-five thousand, two hundred forty-two".