2395025721 has 27 divisors (see below), whose sum is σ = 3805136517. Its totient is φ = 1450551960.

The previous prime is 2395025681. The next prime is 2395025723. The reversal of 2395025721 is 1275205932.

The square root of 2395025721 is 48939.

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

2395025721 is a `hidden beast` number, since 2 + 39 + 50 + 2 + 572 + 1 = 666.

It is not a de Polignac number, because 2395025721 - 2⁷ = 2395025593 is a prime.

It is a super-2 number, since 2×2395025721² = 11472296408503139682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2395025723) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1614246 + ... + 1615728.

Almost surely, 2^2395025721 is an apocalyptic number.

2395025721 is the 48939-th square number.

2395025721 is the 24470-th centered octagonal number.

It is an amenable number.

2395025721 is a deficient number, since it is larger than the sum of its proper divisors (1410110796).

2395025721 is an equidigital number, since it uses as much as digits as its factorization.

2395025721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2994 (or 1497 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The cubic root of 2395025721 is about 1337.9402753074.

Multiplying 2395025721 by its sum of digits (36), we get a square (86220925956 = 293634²).

The spelling of 2395025721 in words is "two billion, three hundred ninety-five million, twenty-five thousand, seven hundred twenty-one".