3502425 has 48 divisors (see below), whose sum is σ = 6374592. Its totient is φ = 1689600.

The previous prime is 3502409. The next prime is 3502427. The reversal of 3502425 is 5242053.

It is not a de Polignac number, because 3502425 - 2⁴ = 3502409 is a prime.

3502425 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3502427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52242 + ... + 52308.

It is an arithmetic number, because the mean of its divisors is an integer number (132804).

Almost surely, 2^3502425 is an apocalyptic number.

It is an amenable number.

3502425 is a deficient number, since it is larger than the sum of its proper divisors (2872167).

3502425 is a wasteful number, since it uses less digits than its factorization.

3502425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 133 counting only the distinct ones).

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

The square root of 3502425 is about 1871.4766896758. The cubic root of 3502425 is about 151.8645058711.

Adding to 3502425 its reverse (5242053), we get a palindrome (8744478).

It can be divided in two parts, 350 and 2425, that added together give a triangular number (2775 = T₇₄).

The spelling of 3502425 in words is "three million, five hundred two thousand, four hundred twenty-five".