47931253 has 2 divisors, whose sum is σ = 47931254. Its totient is φ = 47931252.

The previous prime is 47931223. The next prime is 47931263. The reversal of 47931253 is 35213974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25633969 + 22297284 = 5063^2 + 4722^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47931253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47931203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23965626 + 23965627.

It is an arithmetic number, because the mean of its divisors is an integer number (23965627).

Almost surely, 2^47931253 is an apocalyptic number.

It is an amenable number.

47931253 is a deficient number, since it is larger than the sum of its proper divisors (1).

47931253 is an equidigital number, since it uses as much as digits as its factorization.

47931253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 47931253 is about 6923.2400651718. The cubic root of 47931253 is about 363.2505334613.

It can be divided in two parts, 47931 and 253, that added together give a palindrome (48184).

The spelling of 47931253 in words is "forty-seven million, nine hundred thirty-one thousand, two hundred fifty-three".