3862001025 has 45 divisors (see below), whose sum is σ = 7158944793. Its totient is φ = 2058242400.

The previous prime is 3862001023. The next prime is 3862001041. The reversal of 3862001025 is 5201002683.

The square root of 3862001025 is 62145.

It is a perfect power (a square), and thus also a powerful number.

3862001025 is a `hidden beast` number, since 3 + 8 + 620 + 0 + 10 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 134165889 + 3727835136 = 11583^2 + 61056^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 3862001025 - 2¹ = 3862001023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 3862001025.

It is not an unprimeable number, because it can be changed into a prime (3862001023) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 2795835 + ... + 2797215.

Almost surely, 2^3862001025 is an apocalyptic number.

3862001025 is the 62145-th square number.

3862001025 is the 31073-rd centered octagonal number.

It is an amenable number.

3862001025 is a deficient number, since it is larger than the sum of its proper divisors (3296943768).

3862001025 is an frugal number, since it uses more digits than its factorization.

3862001025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784 (or 1389 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The cubic root of 3862001025 is about 1568.9320262002.

The spelling of 3862001025 in words is "three billion, eight hundred sixty-two million, one thousand, twenty-five".