997461259 has 4 divisors (see below), whose sum is σ = 1049959240. Its totient is φ = 944963280.

The previous prime is 997461253. The next prime is 997461271. The reversal of 997461259 is 952164799.

997461259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 997461259 - 2³ = 997461251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (997461251) 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, 26248962 + ... + 26248999.

It is an arithmetic number, because the mean of its divisors is an integer number (262489810).

Almost surely, 2^997461259 is an apocalyptic number.

997461259 is a deficient number, since it is larger than the sum of its proper divisors (52497981).

997461259 is a wasteful number, since it uses less digits than its factorization.

997461259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52497980.

The product of its digits is 1224720, while the sum is 52.

The square root of 997461259 is about 31582.6100726333. The cubic root of 997461259 is about 999.1530358543.

The spelling of 997461259 in words is "nine hundred ninety-seven million, four hundred sixty-one thousand, two hundred fifty-nine".