7902425 has 6 divisors (see below), whose sum is σ = 9799038. Its totient is φ = 6321920.

The previous prime is 7902421. The next prime is 7902437. The reversal of 7902425 is 5242097.

It can be written as a sum of positive squares in 3 ways, for example, as 123904 + 7778521 = 352^2 + 2789^2 .

It is not a de Polignac number, because 7902425 - 2² = 7902421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7902421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 158024 + ... + 158073.

It is an arithmetic number, because the mean of its divisors is an integer number (1633173).

Almost surely, 2^7902425 is an apocalyptic number.

It is an amenable number.

7902425 is a deficient number, since it is larger than the sum of its proper divisors (1896613).

7902425 is a wasteful number, since it uses less digits than its factorization.

7902425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316107 (or 316102 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 7902425 is about 2811.1252195518. The cubic root of 7902425 is about 199.1835465542.

The spelling of 7902425 in words is "seven million, nine hundred two thousand, four hundred twenty-five".