3525780 has 24 divisors (see below), whose sum is σ = 9872352. Its totient is φ = 940192.

The previous prime is 3525779. The next prime is 3525803. The reversal of 3525780 is 875253.

It is a happy number.

3525780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3525780² = 24862249216800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29322 + ... + 29441.

It is an arithmetic number, because the mean of its divisors is an integer number (411348).

Almost surely, 2^3525780 is an apocalyptic number.

3525780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3525780 is an abundant number, since it is smaller than the sum of its proper divisors (6346572).

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

3525780 is a wasteful number, since it uses less digits than its factorization.

3525780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58775 (or 58773 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 3525780 is about 1877.7060472822. The cubic root of 3525780 is about 152.2013145096.

The spelling of 3525780 in words is "three million, five hundred twenty-five thousand, seven hundred eighty".