3525420 has 24 divisors (see below), whose sum is σ = 9871344. Its totient is φ = 940096.

The previous prime is 3525419. The next prime is 3525433. The reversal of 3525420 is 245253.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29319 + ... + 29438.

It is an arithmetic number, because the mean of its divisors is an integer number (411306).

Almost surely, 2^3525420 is an apocalyptic number.

3525420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3525420 is an abundant number, since it is smaller than the sum of its proper divisors (6345924).

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

3525420 is a wasteful number, since it uses less digits than its factorization.

3525420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58769 (or 58767 counting only the distinct ones).

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

The square root of 3525420 is about 1877.6101831850. The cubic root of 3525420 is about 152.1961341582.

The spelling of 3525420 in words is "three million, five hundred twenty-five thousand, four hundred twenty".