133055425 has 6 divisors (see below), whose sum is σ = 164988758. Its totient is φ = 106444320.

The previous prime is 133055407. The next prime is 133055473. The reversal of 133055425 is 524550331.

It can be written as a sum of positive squares in 3 ways, for example, as 17363889 + 115691536 = 4167^2 + 10756^2 .

It is not a de Polignac number, because 133055425 - 2¹⁵ = 133022657 is a prime.

It is a super-2 number, since 2×133055425² = 35407492243861250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133055393 and 133055402.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2661084 + ... + 2661133.

Almost surely, 2^133055425 is an apocalyptic number.

It is an amenable number.

133055425 is a deficient number, since it is larger than the sum of its proper divisors (31933333).

133055425 is an equidigital number, since it uses as much as digits as its factorization.

133055425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5322227 (or 5322222 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 133055425 is about 11534.9653228781. The cubic root of 133055425 is about 510.5177684128.

The spelling of 133055425 in words is "one hundred thirty-three million, fifty-five thousand, four hundred twenty-five".