4152520 has 16 divisors (see below), whose sum is σ = 9343260. Its totient is φ = 1660992.

The previous prime is 4152517. The next prime is 4152523. The reversal of 4152520 is 252514.

It is an interprime number because it is at equal distance from previous prime (4152517) and next prime (4152523).

It can be written as a sum of positive squares in 2 ways, for example, as 3740356 + 412164 = 1934^2 + 642^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4152523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51867 + ... + 51946.

Almost surely, 2^4152520 is an apocalyptic number.

4152520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4152520 is an abundant number, since it is smaller than the sum of its proper divisors (5190740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4152520 is a wasteful number, since it uses less digits than its factorization.

4152520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103824 (or 103820 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 4152520 is about 2037.7732945546. The cubic root of 4152520 is about 160.7325781883.

The spelling of 4152520 in words is "four million, one hundred fifty-two thousand, five hundred twenty".