7431025 has 12 divisors (see below), whose sum is σ = 10531072. Its totient is φ = 5095440.

The previous prime is 7431019. The next prime is 7431031. The reversal of 7431025 is 5201347.

It is an interprime number because it is at equal distance from previous prime (7431019) and next prime (7431031).

It is a de Polignac number, because none of the positive numbers 2^k-7431025 is a prime.

It is a Duffinian number.

7431025 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7430987 and 7431005.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21057 + ... + 21406.

Almost surely, 2^7431025 is an apocalyptic number.

It is an amenable number.

7431025 is a deficient number, since it is larger than the sum of its proper divisors (3100047).

7431025 is a wasteful number, since it uses less digits than its factorization.

7431025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42480 (or 42475 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 7431025 is about 2725.9906456186. The cubic root of 7431025 is about 195.1414708654.

The spelling of 7431025 in words is "seven million, four hundred thirty-one thousand, twenty-five".