1872465425 has 18 divisors (see below), whose sum is σ = 2459608758. Its totient is φ = 1409184640.

The previous prime is 1872465421. The next prime is 1872465451. The reversal of 1872465425 is 5245642781.

It can be written as a sum of positive squares in 3 ways, for example, as 281971264 + 1590494161 = 16792^2 + 39881^2 .

It is not a de Polignac number, because 1872465425 - 2² = 1872465421 is a prime.

It is a super-2 number, since 2×1872465425² = 7012253535640861250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1872465421) 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 17 ways as a sum of consecutive naturals, for example, 891026 + ... + 893124.

It is an arithmetic number, because the mean of its divisors is an integer number (136644931).

Almost surely, 2^1872465425 is an apocalyptic number.

It is an amenable number.

1872465425 is a deficient number, since it is larger than the sum of its proper divisors (587143333).

1872465425 is an frugal number, since it uses more digits than its factorization.

1872465425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4225 (or 2121 counting only the distinct ones).

The product of its digits is 537600, while the sum is 44.

The square root of 1872465425 is about 43271.9935408573. The cubic root of 1872465425 is about 1232.5501599972.

The spelling of 1872465425 in words is "one billion, eight hundred seventy-two million, four hundred sixty-five thousand, four hundred twenty-five".