240030525 has 24 divisors (see below), whose sum is σ = 453544384. Its totient is φ = 109728000.

The previous prime is 240030503. The next prime is 240030529. The reversal of 240030525 is 525030042.

It is not a de Polignac number, because 240030525 - 2⁷ = 240030397 is a prime.

It is a super-2 number, since 2×240030525² = 115229305863551250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240030529) 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, 228076 + ... + 229125.

Almost surely, 2^240030525 is an apocalyptic number.

240030525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

240030525 is a deficient number, since it is larger than the sum of its proper divisors (213513859).

240030525 is a wasteful number, since it uses less digits than its factorization.

240030525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457221 (or 457216 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 240030525 is about 15492.9185436444. The cubic root of 240030525 is about 621.4728468161.

Adding to 240030525 its reverse (525030042), we get a palindrome (765060567).

It can be divided in two parts, 240030 and 525, that multiplied together give a triangular number (126015750 = T₁₅₈₇₅).

The spelling of 240030525 in words is "two hundred forty million, thirty thousand, five hundred twenty-five".