125325551 has 16 divisors (see below), whose sum is σ = 141355200. Its totient is φ = 110246400.

The previous prime is 125325533. The next prime is 125325553. The reversal of 125325551 is 155523521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125325551 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125325553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103751 + ... + 104951.

It is an arithmetic number, because the mean of its divisors is an integer number (8834700).

Almost surely, 2^125325551 is an apocalyptic number.

125325551 is a deficient number, since it is larger than the sum of its proper divisors (16029649).

125325551 is a wasteful number, since it uses less digits than its factorization.

125325551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586.

The product of its digits is 7500, while the sum is 29.

The square root of 125325551 is about 11194.8895036977. The cubic root of 125325551 is about 500.4336917142.

The spelling of 125325551 in words is "one hundred twenty-five million, three hundred twenty-five thousand, five hundred fifty-one".