7525442 has 8 divisors (see below), whose sum is σ = 11677500. Its totient is φ = 3632944.

The previous prime is 7525433. The next prime is 7525451. The reversal of 7525442 is 2445257.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7525433) and next prime (7525451).

It can be written as a sum of positive squares in 2 ways, for example, as 7458361 + 67081 = 2731^2 + 259^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64817 + ... + 64932.

Almost surely, 2^7525442 is an apocalyptic number.

7525442 is a deficient number, since it is larger than the sum of its proper divisors (4152058).

7525442 is a wasteful number, since it uses less digits than its factorization.

7525442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129780.

The product of its digits is 11200, while the sum is 29.

The square root of 7525442 is about 2743.2539073152. The cubic root of 7525442 is about 195.9644701667.

The spelling of 7525442 in words is "seven million, five hundred twenty-five thousand, four hundred forty-two".