25212434510 has 16 divisors (see below), whose sum is σ = 45554943456. Its totient is φ = 10046626848.

The previous prime is 25212434501. The next prime is 25212434563. The reversal of 25212434510 is 1543421252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4790609 + ... + 4795868.

It is an arithmetic number, because the mean of its divisors is an integer number (2847183966).

Almost surely, 2^25212434510 is an apocalyptic number.

25212434510 is a deficient number, since it is larger than the sum of its proper divisors (20342508946).

25212434510 is a wasteful number, since it uses less digits than its factorization.

25212434510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9586747.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 25212434510 its reverse (1543421252), we get a palindrome (26755855762).

The spelling of 25212434510 in words is "twenty-five billion, two hundred twelve million, four hundred thirty-four thousand, five hundred ten".