425475049 has 2 divisors, whose sum is σ = 425475050. Its totient is φ = 425475048.

The previous prime is 425475041. The next prime is 425475053. The reversal of 425475049 is 940574524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 421891600 + 3583449 = 20540^2 + 1893^2 .

It is a cyclic number.

It is not a de Polignac number, because 425475049 - 2³ = 425475041 is a prime.

It is not a weakly prime, because it can be changed into another prime (425475041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212737524 + 212737525.

It is an arithmetic number, because the mean of its divisors is an integer number (212737525).

Almost surely, 2^425475049 is an apocalyptic number.

It is an amenable number.

425475049 is a deficient number, since it is larger than the sum of its proper divisors (1).

425475049 is an equidigital number, since it uses as much as digits as its factorization.

425475049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 425475049 is about 20627.0465408890. The cubic root of 425475049 is about 752.1273226631.

The spelling of 425475049 in words is "four hundred twenty-five million, four hundred seventy-five thousand, forty-nine".