2135247425 has 12 divisors (see below), whose sum is σ = 2649483696. Its totient is φ = 1707051600.

The previous prime is 2135247421. The next prime is 2135247451. The reversal of 2135247425 is 5247425312.

It is not a de Polignac number, because 2135247425 - 2² = 2135247421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2135247421) 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, 10382 + ... + 66168.

It is an arithmetic number, because the mean of its divisors is an integer number (220790308).

Almost surely, 2^2135247425 is an apocalyptic number.

2135247425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2135247425 is a deficient number, since it is larger than the sum of its proper divisors (514236271).

2135247425 is a wasteful number, since it uses less digits than its factorization.

2135247425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57328 (or 57323 counting only the distinct ones).

The product of its digits is 67200, while the sum is 35.

The square root of 2135247425 is about 46208.7375395606. The cubic root of 2135247425 is about 1287.7040717150.

The spelling of 2135247425 in words is "two billion, one hundred thirty-five million, two hundred forty-seven thousand, four hundred twenty-five".