47211401 has 4 divisors (see below), whose sum is σ = 47494272. Its totient is φ = 46928532.

The previous prime is 47211347. The next prime is 47211407. The reversal of 47211401 is 10411274.

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 47211401 - 2⁶ = 47211337 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141185 + ... + 141518.

It is an arithmetic number, because the mean of its divisors is an integer number (11873568).

Almost surely, 2^47211401 is an apocalyptic number.

It is an amenable number.

47211401 is a deficient number, since it is larger than the sum of its proper divisors (282871).

47211401 is a wasteful number, since it uses less digits than its factorization.

47211401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282870.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 47211401 is about 6871.0553046821. The cubic root of 47211401 is about 361.4228693354.

Adding to 47211401 its reverse (10411274), we get a palindrome (57622675).

The spelling of 47211401 in words is "forty-seven million, two hundred eleven thousand, four hundred one".