4025775601 has 9 divisors (see below), whose sum is σ = 4091078649. Its totient is φ = 3961501764.

The previous prime is 4025775587. The next prime is 4025775617. The reversal of 4025775601 is 1065775204.

The square root of 4025775601 is 63449.

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

It is not a de Polignac number, because 4025775601 - 2²⁵ = 3992221169 is a prime.

It is a super-2 number, since 2×4025775601² = 32413738379213822402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4025775641) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4250610 + ... + 4251556.

Almost surely, 2^4025775601 is an apocalyptic number.

4025775601 is the 63449-th square number.

4025775601 is the 31725-th centered octagonal number.

It is an amenable number.

4025775601 is a deficient number, since it is larger than the sum of its proper divisors (65303048).

4025775601 is an frugal number, since it uses more digits than its factorization.

4025775601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028 (or 1014 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

The cubic root of 4025775601 is about 1590.8034388644.

The spelling of 4025775601 in words is "four billion, twenty-five million, seven hundred seventy-five thousand, six hundred one".