1442025525 has 12 divisors (see below), whose sum is σ = 2384148992. Its totient is φ = 769080240.

The previous prime is 1442025521. The next prime is 1442025547. The reversal of 1442025525 is 5255202441.

It is not a de Polignac number, because 1442025525 - 2² = 1442025521 is a prime.

It is a super-2 number, since 2×1442025525² = 4158875229503051250, 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 = 1442025492 and 1442025501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442025521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9613429 + ... + 9613578.

Almost surely, 2^1442025525 is an apocalyptic number.

1442025525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1442025525 is a deficient number, since it is larger than the sum of its proper divisors (942123467).

1442025525 is a wasteful number, since it uses less digits than its factorization.

1442025525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19227020 (or 19227015 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 1442025525 is about 37974.0111786996. The cubic root of 1442025525 is about 1129.7724565983.

Adding to 1442025525 its reverse (5255202441), we get a palindrome (6697227966).

The spelling of 1442025525 in words is "one billion, four hundred forty-two million, twenty-five thousand, five hundred twenty-five".