47142401 has 4 divisors (see below), whose sum is σ = 49623600. Its totient is φ = 44661204.

The previous prime is 47142397. The next prime is 47142409. The reversal of 47142401 is 10424174.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10424174 = 2 ⋅5212087.

It is a cyclic number.

It is not a de Polignac number, because 47142401 - 2² = 47142397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47142409) 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, 1240571 + ... + 1240608.

It is an arithmetic number, because the mean of its divisors is an integer number (12405900).

Almost surely, 2^47142401 is an apocalyptic number.

It is an amenable number.

47142401 is a deficient number, since it is larger than the sum of its proper divisors (2481199).

47142401 is a wasteful number, since it uses less digits than its factorization.

47142401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481198.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 47142401 is about 6866.0324059824. The cubic root of 47142401 is about 361.2467089414.

Adding to 47142401 its reverse (10424174), we get a palindrome (57566575).

The spelling of 47142401 in words is "forty-seven million, one hundred forty-two thousand, four hundred one".