2691425 has 12 divisors (see below), whose sum is σ = 3641136. Its totient is φ = 1957200.

The previous prime is 2691421. The next prime is 2691427. The reversal of 2691425 is 5241962.

It is a happy number.

It is not a de Polignac number, because 2691425 - 2² = 2691421 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2691421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4619 + ... + 5168.

It is an arithmetic number, because the mean of its divisors is an integer number (303428).

2^2691425 is an apocalyptic number.

2691425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2691425 is a deficient number, since it is larger than the sum of its proper divisors (949711).

2691425 is a wasteful number, since it uses less digits than its factorization.

2691425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9808 (or 9803 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 2691425 is about 1640.5563080858. The cubic root of 2691425 is about 139.1000952513.

The spelling of 2691425 in words is "two million, six hundred ninety-one thousand, four hundred twenty-five".