897352154 has 4 divisors (see below), whose sum is σ = 1346028234. Its totient is φ = 448676076.

The previous prime is 897352147. The next prime is 897352187. The reversal of 897352154 is 451253798.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 451253798 = 2 ⋅225626899.

It can be written as a sum of positive squares in only one way, i.e., 582112129 + 315240025 = 24127^2 + 17755^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224338037 + ... + 224338040.

Almost surely, 2^897352154 is an apocalyptic number.

897352154 is a deficient number, since it is larger than the sum of its proper divisors (448676080).

897352154 is a wasteful number, since it uses less digits than its factorization.

897352154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448676079.

The product of its digits is 302400, while the sum is 44.

The square root of 897352154 is about 29955.8367267549. The cubic root of 897352154 is about 964.5416148291.

The spelling of 897352154 in words is "eight hundred ninety-seven million, three hundred fifty-two thousand, one hundred fifty-four".