2651425 has 24 divisors (see below), whose sum is σ = 3819200. Its totient is φ = 1788480.

The previous prime is 2651419. The next prime is 2651437. The reversal of 2651425 is 5241562.

It is a de Polignac number, because none of the positive numbers 2^k-2651425 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2651425.

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, 19006 + ... + 19144.

2^2651425 is an apocalyptic number.

2651425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2651425 is a deficient number, since it is larger than the sum of its proper divisors (1167775).

2651425 is a wasteful number, since it uses less digits than its factorization.

2651425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 260 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 2651425 is about 1628.3196860568. The cubic root of 2651425 is about 138.4075503749.

Adding to 2651425 its reverse (5241562), we get a palindrome (7892987).

The spelling of 2651425 in words is "two million, six hundred fifty-one thousand, four hundred twenty-five".