25250000234 has 4 divisors (see below), whose sum is σ = 37875000354. Its totient is φ = 12625000116.

The previous prime is 25250000233. The next prime is 25250000267. The reversal of 25250000234 is 43200005252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15290559025 + 9959441209 = 123655^2 + 99797^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25250000233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6312500057 + ... + 6312500060.

Almost surely, 2^25250000234 is an apocalyptic number.

25250000234 is a deficient number, since it is larger than the sum of its proper divisors (12625000120).

25250000234 is a wasteful number, since it uses less digits than its factorization.

25250000234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12625000119.

The product of its (nonzero) digits is 2400, while the sum is 23.

Adding to 25250000234 its reverse (43200005252), we get a palindrome (68450005486).

The spelling of 25250000234 in words is "twenty-five billion, two hundred fifty million, two hundred thirty-four", and thus it is an aban number.