7525388 has 12 divisors (see below), whose sum is σ = 14182560. Its totient is φ = 3473232.

The previous prime is 7525381. The next prime is 7525403. The reversal of 7525388 is 8835257.

It is not an unprimeable number, because it can be changed into a prime (7525381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72308 + ... + 72411.

It is an arithmetic number, because the mean of its divisors is an integer number (1181880).

Almost surely, 2^7525388 is an apocalyptic number.

It is an amenable number.

7525388 is a deficient number, since it is larger than the sum of its proper divisors (6657172).

7525388 is a wasteful number, since it uses less digits than its factorization.

7525388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144736 (or 144734 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 7525388 is about 2743.2440649713. The cubic root of 7525388 is about 195.9640014409.

The spelling of 7525388 in words is "seven million, five hundred twenty-five thousand, three hundred eighty-eight".