47259431 has 2 divisors, whose sum is σ = 47259432. Its totient is φ = 47259430.

The previous prime is 47259427. The next prime is 47259437. The reversal of 47259431 is 13495274.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47259431 - 2² = 47259427 is a prime.

It is a super-2 number, since 2×47259431² = 4466907636887522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47259391 and 47259400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47259437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23629715 + 23629716.

It is an arithmetic number, because the mean of its divisors is an integer number (23629716).

Almost surely, 2^47259431 is an apocalyptic number.

47259431 is a deficient number, since it is larger than the sum of its proper divisors (1).

47259431 is an equidigital number, since it uses as much as digits as its factorization.

47259431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 47259431 is about 6874.5495125135. The cubic root of 47259431 is about 361.5453909909.

The spelling of 47259431 in words is "forty-seven million, two hundred fifty-nine thousand, four hundred thirty-one".