7140425 has 24 divisors (see below), whose sum is σ = 9581976. Its totient is φ = 5258240.

The previous prime is 7140403. The next prime is 7140433. The reversal of 7140425 is 5240417.

It can be written as a sum of positive squares in 12 ways, for example, as 1923769 + 5216656 = 1387^2 + 2284^2 .

It is not a de Polignac number, because 7140425 - 2⁶ = 7140361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7140425.

It is a congruent number.

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, 22367 + ... + 22683.

It is an arithmetic number, because the mean of its divisors is an integer number (399249).

Almost surely, 2^7140425 is an apocalyptic number.

It is an amenable number.

7140425 is a deficient number, since it is larger than the sum of its proper divisors (2441551).

7140425 is a wasteful number, since it uses less digits than its factorization.

7140425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 7140425 is about 2672.1573681204. The cubic root of 7140425 is about 192.5638175995.

The spelling of 7140425 in words is "seven million, one hundred forty thousand, four hundred twenty-five".