1045556425 has 24 divisors (see below), whose sum is σ = 1368126720. Its totient is φ = 791049600.

The previous prime is 1045556419. The next prime is 1045556429. The reversal of 1045556425 is 5246555401.

It is not a de Polignac number, because 1045556425 - 2³ = 1045556417 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1045556429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40960 + ... + 61390.

It is an arithmetic number, because the mean of its divisors is an integer number (57005280).

Almost surely, 2^1045556425 is an apocalyptic number.

It is an amenable number.

1045556425 is a deficient number, since it is larger than the sum of its proper divisors (322570295).

1045556425 is a wasteful number, since it uses less digits than its factorization.

1045556425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20553 (or 20548 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The square root of 1045556425 is about 32335.0649450407. The cubic root of 1045556425 is about 1014.9605410659.

The spelling of 1045556425 in words is "one billion, forty-five million, five hundred fifty-six thousand, four hundred twenty-five".