47240511 has 4 divisors (see below), whose sum is σ = 62987352. Its totient is φ = 31493672.

The previous prime is 47240509. The next prime is 47240513. The reversal of 47240511 is 11504274.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (47240509) and next prime (47240513).

It is a cyclic number.

It is not a de Polignac number, because 47240511 - 2¹ = 47240509 is a prime.

It is a super-2 number, since 2×47240511² = 4463331759082242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47240513) 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, 7873416 + ... + 7873421.

It is an arithmetic number, because the mean of its divisors is an integer number (15746838).

Almost surely, 2^47240511 is an apocalyptic number.

47240511 is a deficient number, since it is larger than the sum of its proper divisors (15746841).

47240511 is a wasteful number, since it uses less digits than its factorization.

47240511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15746840.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 47240511 is about 6873.1732845899. The cubic root of 47240511 is about 361.4971371172.

Adding to 47240511 its reverse (11504274), we get a palindrome (58744785).

The spelling of 47240511 in words is "forty-seven million, two hundred forty thousand, five hundred eleven".