25343250513 has 8 divisors (see below), whose sum is σ = 38618286528. Its totient is φ = 14481857424.

The previous prime is 25343250469. The next prime is 25343250523. The reversal of 25343250513 is 31505234352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25343250513 - 2¹⁰ = 25343249489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25343250523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603410706 + ... + 603410747.

It is an arithmetic number, because the mean of its divisors is an integer number (4827285816).

Almost surely, 2^25343250513 is an apocalyptic number.

It is an amenable number.

25343250513 is a deficient number, since it is larger than the sum of its proper divisors (13275036015).

25343250513 is a wasteful number, since it uses less digits than its factorization.

25343250513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206821463.

The product of its (nonzero) digits is 54000, while the sum is 33.

Adding to 25343250513 its reverse (31505234352), we get a palindrome (56848484865).

The spelling of 25343250513 in words is "twenty-five billion, three hundred forty-three million, two hundred fifty thousand, five hundred thirteen".