7542925 has 12 divisors (see below), whose sum is σ = 10073140. Its totient is φ = 5569920.

The previous prime is 7542923. The next prime is 7542947. The reversal of 7542925 is 5292457.

It can be written as a sum of positive squares in 6 ways, for example, as 328329 + 7214596 = 573^2 + 2686^2 .

It is not a de Polignac number, because 7542925 - 2¹ = 7542923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7542923) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 11280 + ... + 11929.

Almost surely, 2^7542925 is an apocalyptic number.

It is an amenable number.

7542925 is a deficient number, since it is larger than the sum of its proper divisors (2530215).

7542925 is a wasteful number, since it uses less digits than its factorization.

7542925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23232 (or 23227 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 7542925 is about 2746.4386029912. The cubic root of 7542925 is about 196.1161067588.

The spelling of 7542925 in words is "seven million, five hundred forty-two thousand, nine hundred twenty-five".