425147539 has 2 divisors, whose sum is σ = 425147540. Its totient is φ = 425147538.

The previous prime is 425147533. The next prime is 425147549. The reversal of 425147539 is 935741524.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425147539 - 2⁵ = 425147507 is a prime.

It is not a weakly prime, because it can be changed into another prime (425147533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212573769 + 212573770.

It is an arithmetic number, because the mean of its divisors is an integer number (212573770).

Almost surely, 2^425147539 is an apocalyptic number.

425147539 is a deficient number, since it is larger than the sum of its proper divisors (1).

425147539 is an equidigital number, since it uses as much as digits as its factorization.

425147539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 40.

The square root of 425147539 is about 20619.1061639442. The cubic root of 425147539 is about 751.9342894475.

The spelling of 425147539 in words is "four hundred twenty-five million, one hundred forty-seven thousand, five hundred thirty-nine".