1204542425 has 6 divisors (see below), whose sum is σ = 1493632638. Its totient is φ = 963633920.

The previous prime is 1204542421. The next prime is 1204542473. The reversal of 1204542425 is 5242454021.

It can be written as a sum of positive squares in 3 ways, for example, as 343472089 + 861070336 = 18533^2 + 29344^2 .

It is not a de Polignac number, because 1204542425 - 2² = 1204542421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1204542421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24090824 + ... + 24090873.

It is an arithmetic number, because the mean of its divisors is an integer number (248938773).

Almost surely, 2^1204542425 is an apocalyptic number.

It is an amenable number.

1204542425 is a deficient number, since it is larger than the sum of its proper divisors (289090213).

1204542425 is an equidigital number, since it uses as much as digits as its factorization.

1204542425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48181707 (or 48181702 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 1204542425 is about 34706.5184799628. The cubic root of 1204542425 is about 1063.9977272197.

Adding to 1204542425 its reverse (5242454021), we get a palindrome (6446996446).

The spelling of 1204542425 in words is "one billion, two hundred four million, five hundred forty-two thousand, four hundred twenty-five".