30151125 has 24 divisors (see below), whose sum is σ = 54354456. Its totient is φ = 16080000.

The previous prime is 30151123. The next prime is 30151129. The reversal of 30151125 is 52115103.

It can be written as a sum of positive squares in 4 ways, for example, as 2683044 + 27468081 = 1638^2 + 5241^2 .

It is not a de Polignac number, because 30151125 - 2¹ = 30151123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30151098 and 30151107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30151123) 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, 12276 + ... + 14525.

It is an arithmetic number, because the mean of its divisors is an integer number (2264769).

Almost surely, 2^30151125 is an apocalyptic number.

It is an amenable number.

30151125 is a deficient number, since it is larger than the sum of its proper divisors (24203331).

30151125 is a wasteful number, since it uses less digits than its factorization.

30151125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26822 (or 26809 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 30151125 is about 5491.0040065547. The cubic root of 30151125 is about 311.2441330486.

Adding to 30151125 its reverse (52115103), we get a palindrome (82266228).

It can be divided in two parts, 30151 and 125, that added together give a square (30276 = 174²).

The spelling of 30151125 in words is "thirty million, one hundred fifty-one thousand, one hundred twenty-five".