2540532425 has 6 divisors (see below), whose sum is σ = 3150260238. Its totient is φ = 2032425920.

The previous prime is 2540532419. The next prime is 2540532431. The reversal of 2540532425 is 5242350452.

It is an interprime number because it is at equal distance from previous prime (2540532419) and next prime (2540532431).

It can be written as a sum of positive squares in 3 ways, for example, as 215267584 + 2325264841 = 14672^2 + 48221^2 .

It is not a de Polignac number, because 2540532425 - 2⁴ = 2540532409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2540532391 and 2540532400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50810624 + ... + 50810673.

It is an arithmetic number, because the mean of its divisors is an integer number (525043373).

Almost surely, 2^2540532425 is an apocalyptic number.

2540532425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2540532425 is a deficient number, since it is larger than the sum of its proper divisors (609727813).

2540532425 is a wasteful number, since it uses less digits than its factorization.

2540532425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101621307 (or 101621302 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

The square root of 2540532425 is about 50403.6945570461. The cubic root of 2540532425 is about 1364.5043171516.

Adding to 2540532425 its reverse (5242350452), we get a palindrome (7782882877).

The spelling of 2540532425 in words is "two billion, five hundred forty million, five hundred thirty-two thousand, four hundred twenty-five".