25248820347 has 12 divisors (see below), whose sum is σ = 36688906800. Its totient is φ = 16731752208.

The previous prime is 25248820327. The next prime is 25248820351. The reversal of 25248820347 is 74302884252.

25248820347 is a `hidden beast` number, since 2 + 524 + 8 + 82 + 0 + 3 + 47 = 666.

It is not a de Polignac number, because 25248820347 - 2¹¹ = 25248818299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25248820327) 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, 8397972 + ... + 8400977.

It is an arithmetic number, because the mean of its divisors is an integer number (3057408900).

Almost surely, 2^25248820347 is an apocalyptic number.

25248820347 is a deficient number, since it is larger than the sum of its proper divisors (11440086453).

25248820347 is a wasteful number, since it uses less digits than its factorization.

25248820347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16799122 (or 16799119 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

The spelling of 25248820347 in words is "twenty-five billion, two hundred forty-eight million, eight hundred twenty thousand, three hundred forty-seven".