425403547 has 2 divisors, whose sum is σ = 425403548. Its totient is φ = 425403546.

The previous prime is 425403499. The next prime is 425403551. The reversal of 425403547 is 745304524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425403547 - 2¹⁵ = 425370779 is a prime.

It is not a weakly prime, because it can be changed into another prime (425403247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212701773 + 212701774.

It is an arithmetic number, because the mean of its divisors is an integer number (212701774).

Almost surely, 2^425403547 is an apocalyptic number.

425403547 is a deficient number, since it is larger than the sum of its proper divisors (1).

425403547 is an equidigital number, since it uses as much as digits as its factorization.

425403547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 425403547 is about 20625.3132582271. The cubic root of 425403547 is about 752.0851880963.

The spelling of 425403547 in words is "four hundred twenty-five million, four hundred three thousand, five hundred forty-seven".