1042402325 has 12 divisors (see below), whose sum is σ = 1293886308. Its totient is φ = 833078400.

The previous prime is 1042402321. The next prime is 1042402337. The reversal of 1042402325 is 5232042401.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 157577809 + 884824516 = 12553^2 + 29746^2 .

It is not a de Polignac number, because 1042402325 - 2² = 1042402321 is a prime.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1042402325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042402321) 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, 4745 + ... + 45905.

It is an arithmetic number, because the mean of its divisors is an integer number (107823859).

Almost surely, 2^1042402325 is an apocalyptic number.

It is an amenable number.

1042402325 is a deficient number, since it is larger than the sum of its proper divisors (251483983).

1042402325 is a wasteful number, since it uses less digits than its factorization.

1042402325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42184 (or 42179 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1042402325 is about 32286.2559768085. The cubic root of 1042402325 is about 1013.9389123113.

Adding to 1042402325 its reverse (5232042401), we get a palindrome (6274444726).

The spelling of 1042402325 in words is "one billion, forty-two million, four hundred two thousand, three hundred twenty-five".