10420547 has 2 divisors, whose sum is σ = 10420548. Its totient is φ = 10420546.

The previous prime is 10420537. The next prime is 10420549. The reversal of 10420547 is 74502401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10420547 - 2¹⁰ = 10419523 is a prime.

Together with 10420549, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10420549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210273 + 5210274.

It is an arithmetic number, because the mean of its divisors is an integer number (5210274).

Almost surely, 2^10420547 is an apocalyptic number.

10420547 is a deficient number, since it is larger than the sum of its proper divisors (1).

10420547 is an equidigital number, since it uses as much as digits as its factorization.

10420547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 10420547 is about 3228.0872045222. The cubic root of 10420547 is about 218.4222310847.

Adding to 10420547 its reverse (74502401), we get a palindrome (84922948).

The spelling of 10420547 in words is "ten million, four hundred twenty thousand, five hundred forty-seven".