133525502425 has 24 divisors (see below), whose sum is σ = 189907902656. Its totient is φ = 91229768640.

The previous prime is 133525502413. The next prime is 133525502483. The reversal of 133525502425 is 524205525331.

It is not a de Polignac number, because 133525502425 - 2¹⁵ = 133525469657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1328787 + ... + 1425736.

Almost surely, 2^133525502425 is an apocalyptic number.

It is an amenable number.

133525502425 is a deficient number, since it is larger than the sum of its proper divisors (56382400231).

133525502425 is a wasteful number, since it uses less digits than its factorization.

133525502425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754817 (or 2754812 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 133525502425 in words is "one hundred thirty-three billion, five hundred twenty-five million, five hundred two thousand, four hundred twenty-five".