997454052 has 72 divisors (see below), whose sum is σ = 2891144256. Its totient is φ = 284036544.

The previous prime is 997454023. The next prime is 997454057. The reversal of 997454052 is 250454799.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 997453989 and 997454007.

It is not an unprimeable number, because it can be changed into a prime (997454057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70918 + ... + 83810.

Almost surely, 2^997454052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 997454052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1445572128).

997454052 is an abundant number, since it is smaller than the sum of its proper divisors (1893690204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

997454052 is a wasteful number, since it uses less digits than its factorization.

997454052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13217 (or 13212 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 997454052 is about 31582.4959748276. The cubic root of 997454052 is about 999.1506294406.

The spelling of 997454052 in words is "nine hundred ninety-seven million, four hundred fifty-four thousand, fifty-two".