1045402425 has 18 divisors (see below), whose sum is σ = 1872432302. Its totient is φ = 557547840.

The previous prime is 1045402409. The next prime is 1045402441. The reversal of 1045402425 is 5242045401.

It is an interprime number because it is at equal distance from previous prime (1045402409) and next prime (1045402441).

It can be written as a sum of positive squares in 3 ways, for example, as 320123664 + 725278761 = 17892^2 + 26931^2 .

It is not a de Polignac number, because 1045402425 - 2⁴ = 1045402409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2322892 + ... + 2323341.

Almost surely, 2^1045402425 is an apocalyptic number.

1045402425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1045402425 is a deficient number, since it is larger than the sum of its proper divisors (827029877).

1045402425 is a wasteful number, since it uses less digits than its factorization.

1045402425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4646249 (or 4646241 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 1045402425 is about 32332.6835415806. The cubic root of 1045402425 is about 1014.9107074417.

Adding to 1045402425 its reverse (5242045401), we get a palindrome (6287447826).

The spelling of 1045402425 in words is "one billion, forty-five million, four hundred two thousand, four hundred twenty-five".