45797971 has 4 divisors (see below), whose sum is σ = 47035792. Its totient is φ = 44560152.

The previous prime is 45797879. The next prime is 45798001. The reversal of 45797971 is 17979754.

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 45797971 - 2²¹ = 43700819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45791971) 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, 618855 + ... + 618928.

It is an arithmetic number, because the mean of its divisors is an integer number (11758948).

Almost surely, 2^45797971 is an apocalyptic number.

45797971 is a deficient number, since it is larger than the sum of its proper divisors (1237821).

45797971 is a wasteful number, since it uses less digits than its factorization.

45797971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237820.

The product of its digits is 555660, while the sum is 49.

The square root of 45797971 is about 6767.4198185128. The cubic root of 45797971 is about 357.7794668729.

It can be divided in two parts, 4 and 5797971, that added together give a palindrome (5797975).

The spelling of 45797971 in words is "forty-five million, seven hundred ninety-seven thousand, nine hundred seventy-one".