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2545605025 = 52191533111
BaseRepresentation
bin1001011110111010…
…1101100110100001
320120102000010121121
42113232231212201
520203133330100
61100333052241
7120040166665
oct22756554641
96512003547
102545605025
111096a22807
125b0627081
13317509282
141a21228a5
15ed73851a
hex97bad9a1

2545605025 has 12 divisors (see below), whose sum is σ = 3173082624. Its totient is φ = 2025818000.

The previous prime is 2545605001. The next prime is 2545605053. The reversal of 2545605025 is 5205065452.

It is not a de Polignac number, because 2545605025 - 25 = 2545604993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 261781 + ... + 271330.

It is an arithmetic number, because the mean of its divisors is an integer number (264423552).

Almost surely, 22545605025 is an apocalyptic number.

2545605025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2545605025 is a deficient number, since it is larger than the sum of its proper divisors (627477599).

2545605025 is a wasteful number, since it uses less digits than its factorization.

2545605025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533312 (or 533307 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 2545605025 is about 50453.9891881702. The cubic root of 2545605025 is about 1365.4118674656.

The spelling of 2545605025 in words is "two billion, five hundred forty-five million, six hundred five thousand, twenty-five".

Divisors: 1 5 25 191 955 4775 533111 2665555 13327775 101824201 509121005 2545605025