25347730530 has 32 divisors (see below), whose sum is σ = 62318325888. Its totient is φ = 6594531200.

The previous prime is 25347730511. The next prime is 25347730549. The reversal of 25347730530 is 3503774352.

It is an interprime number because it is at equal distance from previous prime (25347730511) and next prime (25347730549).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10302726 + ... + 10305185.

It is an arithmetic number, because the mean of its divisors is an integer number (1947447684).

Almost surely, 2^25347730530 is an apocalyptic number.

25347730530 is an abundant number, since it is smaller than the sum of its proper divisors (36970595358).

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

25347730530 is a wasteful number, since it uses less digits than its factorization.

25347730530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20607962.

The product of its (nonzero) digits is 264600, while the sum is 39.

The spelling of 25347730530 in words is "twenty-five billion, three hundred forty-seven million, seven hundred thirty thousand, five hundred thirty".