47262409 has 2 divisors, whose sum is σ = 47262410. Its totient is φ = 47262408.

The previous prime is 47262361. The next prime is 47262433. The reversal of 47262409 is 90426274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47224384 + 38025 = 6872^2 + 195^2 .

It is a cyclic number.

It is not a de Polignac number, because 47262409 - 2⁹ = 47261897 is a prime.

It is not a weakly prime, because it can be changed into another prime (47262469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23631204 + 23631205.

It is an arithmetic number, because the mean of its divisors is an integer number (23631205).

Almost surely, 2^47262409 is an apocalyptic number.

It is an amenable number.

47262409 is a deficient number, since it is larger than the sum of its proper divisors (1).

47262409 is an equidigital number, since it uses as much as digits as its factorization.

47262409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 47262409 is about 6874.7661051122. The cubic root of 47262409 is about 361.5529849571.

The spelling of 47262409 in words is "forty-seven million, two hundred sixty-two thousand, four hundred nine".