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25555052753 is a prime number
BaseRepresentation
bin10111110011001100…
…110010100011010001
32102221222100012001022
4113303030302203101
5404314043142003
615423445245225
71563164235656
oct276314624321
972858305038
1025555052753
11a92418540a
124b52403815
1325435257b9
141345d8dc2d
159e87b2738
hex5f33328d1

25555052753 has 2 divisors, whose sum is σ = 25555052754. Its totient is φ = 25555052752.

The previous prime is 25555052713. The next prime is 25555052777. The reversal of 25555052753 is 35725055552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25019963329 + 535089424 = 158177^2 + 23132^2 .

It is a cyclic number.

It is not a de Polignac number, because 25555052753 - 212 = 25555048657 is a prime.

It is a super-2 number, since 2×255550527532 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25555052713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12777526376 + 12777526377.

It is an arithmetic number, because the mean of its divisors is an integer number (12777526377).

Almost surely, 225555052753 is an apocalyptic number.

It is an amenable number.

25555052753 is a deficient number, since it is larger than the sum of its proper divisors (1).

25555052753 is an equidigital number, since it uses as much as digits as its factorization.

25555052753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1312500, while the sum is 44.

The spelling of 25555052753 in words is "twenty-five billion, five hundred fifty-five million, fifty-two thousand, seven hundred fifty-three".