7540425 has 24 divisors (see below), whose sum is σ = 13853280. Its totient is φ = 4021200.

The previous prime is 7540411. The next prime is 7540439. The reversal of 7540425 is 5240457.

It is an interprime number because it is at equal distance from previous prime (7540411) and next prime (7540439).

It is not a de Polignac number, because 7540425 - 2¹⁰ = 7539401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4911 + ... + 6260.

It is an arithmetic number, because the mean of its divisors is an integer number (577220).

Almost surely, 2^7540425 is an apocalyptic number.

7540425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7540425 is a deficient number, since it is larger than the sum of its proper divisors (6312855).

7540425 is a wasteful number, since it uses less digits than its factorization.

7540425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11190 (or 11179 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 7540425 is about 2745.9834303943. The cubic root of 7540425 is about 196.0944376917.

Subtracting from 7540425 its reverse (5240457), we obtain a cube (2299968 = 132³).

The spelling of 7540425 in words is "seven million, five hundred forty thousand, four hundred twenty-five".