7135425 has 72 divisors (see below), whose sum is σ = 14775840. Its totient is φ = 3348000.

The previous prime is 7135423. The next prime is 7135441. The reversal of 7135425 is 5245317.

It is a happy number.

It is not a de Polignac number, because 7135425 - 2¹ = 7135423 is a prime.

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

Its product of digits (4200) is a multiple of the sum of its prime divisors (50).

It is not an unprimeable number, because it can be changed into a prime (7135423) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 230160 + ... + 230190.

It is an arithmetic number, because the mean of its divisors is an integer number (205220).

Almost surely, 2^7135425 is an apocalyptic number.

7135425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7135425 is an abundant number, since it is smaller than the sum of its proper divisors (7640415).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7135425 is a wasteful number, since it uses less digits than its factorization.

7135425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 50 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 7135425 is about 2671.2216306402. The cubic root of 7135425 is about 192.5188602424.

The spelling of 7135425 in words is "seven million, one hundred thirty-five thousand, four hundred twenty-five".