1352525121 has 24 divisors (see below), whose sum is σ = 2080775424. Its totient is φ = 877307760.

The previous prime is 1352525107. The next prime is 1352525129. The reversal of 1352525121 is 1215252531.

1352525121 is a `hidden beast` number, since 13 + 5 + 2 + 525 + 121 = 666.

It is not a de Polignac number, because 1352525121 - 2⁷ = 1352524993 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1352525129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66225 + ... + 84206.

It is an arithmetic number, because the mean of its divisors is an integer number (86698976).

Almost surely, 2^1352525121 is an apocalyptic number.

It is an amenable number.

1352525121 is a deficient number, since it is larger than the sum of its proper divisors (728250303).

1352525121 is an equidigital number, since it uses as much as digits as its factorization.

1352525121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150483 (or 150471 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 1352525121 is about 36776.6926326988. The cubic root of 1352525121 is about 1105.8981037594.

Adding to 1352525121 its reverse (1215252531), we get a palindrome (2567777652).

The spelling of 1352525121 in words is "one billion, three hundred fifty-two million, five hundred twenty-five thousand, one hundred twenty-one".