2739999025 has 45 divisors (see below), whose sum is σ = 3714284561. Its totient is φ = 2005022880.

The previous prime is 2739999019. The next prime is 2739999029. The reversal of 2739999025 is 5209999372.

The square root of 2739999025 is 52345.

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

It can be written as a sum of positive squares in 4 ways, for example, as 37662769 + 2702336256 = 6137^2 + 51984^2 .

It is not a de Polignac number, because 2739999025 - 2²³ = 2731610417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2739999029) 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, 94482711 + ... + 94482739.

Almost surely, 2^2739999025 is an apocalyptic number.

2739999025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2739999025 is the 52345-th square number.

2739999025 is the 26173-rd centered octagonal number.

It is an amenable number.

2739999025 is a deficient number, since it is larger than the sum of its proper divisors (974285536).

2739999025 is an frugal number, since it uses more digits than its factorization.

2739999025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 2755620, while the sum is 55.

The cubic root of 2739999025 is about 1399.3192310954.

It can be divided in two parts, 273999 and 9025, that added together give a square (283024 = 532²).

The spelling of 2739999025 in words is "two billion, seven hundred thirty-nine million, nine hundred ninety-nine thousand, twenty-five".