125513035 has 4 divisors (see below), whose sum is σ = 150615648. Its totient is φ = 100410424.

The previous prime is 125513029. The next prime is 125513039. The reversal of 125513035 is 530315521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125513035 is a prime.

It is a super-2 number, since 2×125513035² = 31507043909822450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125513039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12551299 + ... + 12551308.

It is an arithmetic number, because the mean of its divisors is an integer number (37653912).

Almost surely, 2^125513035 is an apocalyptic number.

125513035 is a deficient number, since it is larger than the sum of its proper divisors (25102613).

125513035 is an equidigital number, since it uses as much as digits as its factorization.

125513035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25102612.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 125513035 is about 11203.2600166202. The cubic root of 125513035 is about 500.6831129550.

Adding to 125513035 its reverse (530315521), we get a palindrome (655828556).

The spelling of 125513035 in words is "one hundred twenty-five million, five hundred thirteen thousand, thirty-five".