2858436225 has 18 divisors (see below), whose sum is σ = 5119777286. Its totient is φ = 1524499200.

The previous prime is 2858436211. The next prime is 2858436239. The reversal of 2858436225 is 5226348582.

2858436225 is a `hidden beast` number, since 2 + 8 + 584 + 3 + 62 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (2858436211) and next prime (2858436239).

It can be written as a sum of positive squares in 3 ways, for example, as 693953649 + 2164482576 = 26343^2 + 46524^2 .

It is not a de Polignac number, because 2858436225 - 2¹³ = 2858428033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6351856 + ... + 6352305.

Almost surely, 2^2858436225 is an apocalyptic number.

2858436225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2858436225 is a deficient number, since it is larger than the sum of its proper divisors (2261341061).

2858436225 is a wasteful number, since it uses less digits than its factorization.

2858436225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12704177 (or 12704169 counting only the distinct ones).

The product of its digits is 921600, while the sum is 45.

The square root of 2858436225 is about 53464.3453621196. The cubic root of 2858436225 is about 1419.1974942159.

The spelling of 2858436225 in words is "two billion, eight hundred fifty-eight million, four hundred thirty-six thousand, two hundred twenty-five".