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725475858131 is a prime number
BaseRepresentation
bin10101000111010011011…
…10110001011011010011
32120100120122211002012002
422203221232301123103
543341233304430011
61313140133224215
7103261653022253
oct12435156613323
92510518732162
10725475858131
1125a744232a02
12b872849206b
1353548454acb
142718295b963
1513d10924c3b
hexa8e9bb16d3

725475858131 has 2 divisors, whose sum is σ = 725475858132. Its totient is φ = 725475858130.

The previous prime is 725475858067. The next prime is 725475858137. The reversal of 725475858131 is 131858574527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 725475858131 - 26 = 725475858067 is a prime.

It is a super-2 number, since 2×7254758581312 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (725475858137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362737929065 + 362737929066.

It is an arithmetic number, because the mean of its divisors is an integer number (362737929066).

Almost surely, 2725475858131 is an apocalyptic number.

725475858131 is a deficient number, since it is larger than the sum of its proper divisors (1).

725475858131 is an equidigital number, since it uses as much as digits as its factorization.

725475858131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408000, while the sum is 56.

The spelling of 725475858131 in words is "seven hundred twenty-five billion, four hundred seventy-five million, eight hundred fifty-eight thousand, one hundred thirty-one".