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1241525 = 5253937
BaseRepresentation
bin100101111000110110101
32100002001102
410233012311
5304212100
642335445
713360415
oct4570665
92302042
101241525
1177885a
124ba585
1334613c
14244645
15197cd5
hex12f1b5

1241525 has 12 divisors (see below), whose sum is σ = 1570212. Its totient is φ = 973440.

The previous prime is 1241509. The next prime is 1241549. The reversal of 1241525 is 5251421.

It can be written as a sum of positive squares in 6 ways, for example, as 111556 + 1129969 = 334^2 + 1063^2 .

It is not a de Polignac number, because 1241525 - 24 = 1241509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1241497 and 1241506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 857 + ... + 1793.

It is an arithmetic number, because the mean of its divisors is an integer number (130851).

21241525 is an apocalyptic number.

It is an amenable number.

1241525 is a deficient number, since it is larger than the sum of its proper divisors (328687).

1241525 is an equidigital number, since it uses as much as digits as its factorization.

1241525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000 (or 995 counting only the distinct ones).

The product of its digits is 400, while the sum is 20.

The square root of 1241525 is about 1114.2374073778. The cubic root of 1241525 is about 107.4777311003.

Adding to 1241525 its reverse (5251421), we get a palindrome (6492946).

The spelling of 1241525 in words is "one million, two hundred forty-one thousand, five hundred twenty-five".

Divisors: 1 5 25 53 265 937 1325 4685 23425 49661 248305 1241525