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5361397121 is a prime number
BaseRepresentation
bin1001111111001000…
…00110110110000001
3111211122102012012202
410333210012312001
541440004201441
62244001202545
7246601060253
oct47744066601
914748365182
105361397121
112301407013
121057630455
136759a5542
1438c097cd3
15215a4219b
hex13f906d81

5361397121 has 2 divisors, whose sum is σ = 5361397122. Its totient is φ = 5361397120.

The previous prime is 5361397099. The next prime is 5361397133. The reversal of 5361397121 is 1217931635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5337033025 + 24364096 = 73055^2 + 4936^2 .

It is a cyclic number.

It is not a de Polignac number, because 5361397121 - 26 = 5361397057 is a prime.

It is a super-3 number, since 3×53613971213 (a number of 30 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (5361397621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2680698560 + 2680698561.

It is an arithmetic number, because the mean of its divisors is an integer number (2680698561).

Almost surely, 25361397121 is an apocalyptic number.

It is an amenable number.

5361397121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5361397121 is an equidigital number, since it uses as much as digits as its factorization.

5361397121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 38.

The square root of 5361397121 is about 73221.5618585127. The cubic root of 5361397121 is about 1750.2200671275.

The spelling of 5361397121 in words is "five billion, three hundred sixty-one million, three hundred ninety-seven thousand, one hundred twenty-one".