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2572385531 is a prime number
BaseRepresentation
bin1001100101010011…
…0111110011111011
320122021101201120012
42121110313303323
520232012314111
61103131052135
7120513626162
oct23124676373
96567351505
102572385531
111100054361
125b95a104b
1331cc24a21
141a58d43d9
15100c7848b
hex99537cfb

2572385531 has 2 divisors, whose sum is σ = 2572385532. Its totient is φ = 2572385530.

The previous prime is 2572385513. The next prime is 2572385537. The reversal of 2572385531 is 1355832752.

Together with previous prime (2572385513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2572385531 - 218 = 2572123387 is a prime.

It is a super-2 number, since 2×25723855312 = 13234334640196303922, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2572385537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286192765 + 1286192766.

It is an arithmetic number, because the mean of its divisors is an integer number (1286192766).

Almost surely, 22572385531 is an apocalyptic number.

2572385531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2572385531 is an equidigital number, since it uses as much as digits as its factorization.

2572385531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252000, while the sum is 41.

The square root of 2572385531 is about 50718.6901546166. The cubic root of 2572385531 is about 1370.1833507070.

The spelling of 2572385531 in words is "two billion, five hundred seventy-two million, three hundred eighty-five thousand, five hundred thirty-one".