2391425 has 12 divisors (see below), whose sum is σ = 3095040.
Its totient is φ = 1829520.
The previous prime is 2391401. The next prime is 2391437. The reversal of 2391425 is 5241932.
It is not a de Polignac number, because 2391425 - 214 = 2375041 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2391394 and 2391403.
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, 1505 + ... + 2654.
It is an arithmetic number, because the mean of its divisors is an integer number (257920).
22391425 is an apocalyptic number.
2391425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2391425 is a deficient number, since it is larger than the sum of its proper divisors (703615).
2391425 is a wasteful number, since it uses less digits than its factorization.
2391425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4192 (or 4187 counting only the distinct ones).
The product of its digits is 2160, while the sum is 26.
The square root of 2391425 is about 1546.4232926337.
The cubic root of 2391425 is about 133.7269445222.
The spelling of 2391425 in words is "two million, three hundred ninety-one thousand, four hundred twenty-five".