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5153121 = 321015669
BaseRepresentation
bin10011101010000101100001
3100200210202100
4103222011201
52304344441
6302241013
761541451
oct23520541
910623670
105153121
1129aa686
121886169
1310b56ac
14981d61
156bbcb6
hex4ea161

5153121 has 12 divisors (see below), whose sum is σ = 7518420. Its totient is φ = 3400800.

The previous prime is 5153117. The next prime is 5153129. The reversal of 5153121 is 1213515.

It can be written as a sum of positive squares in 2 ways, for example, as 3370896 + 1782225 = 1836^2 + 1335^2 .

It is not a de Polignac number, because 5153121 - 22 = 5153117 is a prime.

It is a Curzon number.

5153121 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5153094 and 5153103.

It is not an unprimeable number, because it can be changed into a prime (5153129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1926 + ... + 3743.

It is an arithmetic number, because the mean of its divisors is an integer number (626535).

Almost surely, 25153121 is an apocalyptic number.

It is an amenable number.

5153121 is a deficient number, since it is larger than the sum of its proper divisors (2365299).

5153121 is a wasteful number, since it uses less digits than its factorization.

5153121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5776 (or 5773 counting only the distinct ones).

The product of its digits is 150, while the sum is 18.

The square root of 5153121 is about 2270.0486778922. The cubic root of 5153121 is about 172.7256278782.

Adding to 5153121 its reverse (1213515), we get a palindrome (6366636).

The spelling of 5153121 in words is "five million, one hundred fifty-three thousand, one hundred twenty-one".

Divisors: 1 3 9 101 303 909 5669 17007 51021 572569 1717707 5153121