897451 has 4 divisors (see below), whose sum is σ = 901600. Its totient is φ = 893304.

The previous prime is 897443. The next prime is 897461. The reversal of 897451 is 154798.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 897451 - 2³ = 897443 is a prime.

It is a Duffinian number.

897451 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (897401) 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, 1731 + ... + 2188.

It is an arithmetic number, because the mean of its divisors is an integer number (225400).

2⁸⁹⁷⁴⁵¹ is an apocalyptic number.

897451 is a deficient number, since it is larger than the sum of its proper divisors (4149).

897451 is a wasteful number, since it uses less digits than its factorization.

897451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4148.

The product of its digits is 10080, while the sum is 34.

The square root of 897451 is about 947.3389045109. The cubic root of 897451 is about 96.4577029235.

It can be divided in two parts, 8974 and 51, that added together give a square (9025 = 95²).

The spelling of 897451 in words is "eight hundred ninety-seven thousand, four hundred fifty-one".