47526013 has 4 divisors (see below), whose sum is σ = 47544700. Its totient is φ = 47507328.

The previous prime is 47525987. The next prime is 47526047. The reversal of 47526013 is 31062574.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24226084 + 23299929 = 4922^2 + 4827^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47526013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47526313) 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, 4788 + ... + 10861.

It is an arithmetic number, because the mean of its divisors is an integer number (11886175).

Almost surely, 2^47526013 is an apocalyptic number.

It is an amenable number.

47526013 is a deficient number, since it is larger than the sum of its proper divisors (18687).

47526013 is a wasteful number, since it uses less digits than its factorization.

47526013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18686.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 47526013 is about 6893.9112991103. The cubic root of 47526013 is about 362.2239210648.

Adding to 47526013 its reverse (31062574), we get a palindrome (78588587).

The spelling of 47526013 in words is "forty-seven million, five hundred twenty-six thousand, thirteen".