47211497 has 8 divisors (see below), whose sum is σ = 47927880. Its totient is φ = 46500480.

The previous prime is 47211487. The next prime is 47211517. The reversal of 47211497 is 79411274.

47211497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1297321 + 45914176 = 1139^2 + 6776^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47211497 - 2¹² = 47207401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47211407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18533 + ... + 20925.

It is an arithmetic number, because the mean of its divisors is an integer number (5990985).

Almost surely, 2^47211497 is an apocalyptic number.

It is an amenable number.

47211497 is a deficient number, since it is larger than the sum of its proper divisors (716383).

47211497 is a wasteful number, since it uses less digits than its factorization.

47211497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683.

The product of its digits is 14112, while the sum is 35.

The square root of 47211497 is about 6871.0622905050. The cubic root of 47211497 is about 361.4231143085.

The spelling of 47211497 in words is "forty-seven million, two hundred eleven thousand, four hundred ninety-seven".