997504301 has 4 divisors (see below), whose sum is σ = 998666400. Its totient is φ = 996342204.

The previous prime is 997504259. The next prime is 997504303. The reversal of 997504301 is 103405799.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 997504301 - 2²⁶ = 930395437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997504303) 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, 579761 + ... + 581478.

It is an arithmetic number, because the mean of its divisors is an integer number (249666600).

Almost surely, 2^997504301 is an apocalyptic number.

It is an amenable number.

997504301 is a deficient number, since it is larger than the sum of its proper divisors (1162099).

997504301 is a wasteful number, since it uses less digits than its factorization.

997504301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162098.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 997504301 is about 31583.2914845809. The cubic root of 997504301 is about 999.1674073151.

The spelling of 997504301 in words is "nine hundred ninety-seven million, five hundred four thousand, three hundred one".