2151343425 has 192 divisors, whose sum is σ = 4676272128. Its totient is φ = 846720000.

The previous prime is 2151343393. The next prime is 2151343427. The reversal of 2151343425 is 5243431512.

It is not a de Polignac number, because 2151343425 - 2⁵ = 2151343393 is a prime.

Its product of digits (14400) is a multiple of the sum of its prime factors (320).

It is a junction number, because it is equal to n+sod(n) for n = 2151343392 and 2151343401.

It is not an unprimeable number, because it can be changed into a prime (2151343427) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 10920427 + ... + 10920623.

It is an arithmetic number, because the mean of its divisors is an integer number (24355584).

Almost surely, 2^2151343425 is an apocalyptic number.

2151343425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2151343425 is an abundant number, since it is smaller than the sum of its proper divisors (2524928703).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2151343425 is a wasteful number, since it uses less digits than its factorization.

2151343425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 315 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 2151343425 is about 46382.5767395474. The cubic root of 2151343425 is about 1290.9316477689.

Adding to 2151343425 its reverse (5243431512), we get a palindrome (7394774937).

The spelling of 2151343425 in words is "two billion, one hundred fifty-one million, three hundred forty-three thousand, four hundred twenty-five".