1442251025 has 6 divisors (see below), whose sum is σ = 1788391302. Its totient is φ = 1153800800.

The previous prime is 1442251007. The next prime is 1442251033. The reversal of 1442251025 is 5201522441.

It can be written as a sum of positive squares in 3 ways, for example, as 266309761 + 1175941264 = 16319^2 + 34292^2 .

It is not a de Polignac number, because 1442251025 - 2⁶ = 1442250961 is a prime.

It is a super-2 number, since 2×1442251025² = 4160176038227101250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442250985 and 1442251003.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28844996 + ... + 28845045.

It is an arithmetic number, because the mean of its divisors is an integer number (298065217).

Almost surely, 2^1442251025 is an apocalyptic number.

It is an amenable number.

1442251025 is a deficient number, since it is larger than the sum of its proper divisors (346140277).

1442251025 is an equidigital number, since it uses as much as digits as its factorization.

1442251025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57690051 (or 57690046 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1442251025 is about 37976.9801985361. The cubic root of 1442251025 is about 1129.8313437692.

Adding to 1442251025 its reverse (5201522441), we get a palindrome (6643773466).

The spelling of 1442251025 in words is "one billion, four hundred forty-two million, two hundred fifty-one thousand, twenty-five".