25234214481 has 18 divisors (see below), whose sum is σ = 42400347522. Its totient is φ = 14419550880.

The previous prime is 25234214461. The next prime is 25234214501. The reversal of 25234214481 is 18441243252.

25234214481 is a `hidden beast` number, since 2 + 523 + 42 + 14 + 4 + 81 = 666.

It is an interprime number because it is at equal distance from previous prime (25234214461) and next prime (25234214501).

It can be written as a sum of positive squares in only one way, i.e., 22893203025 + 2341011456 = 151305^2 + 48384^2 .

It is not a de Polignac number, because 25234214481 - 2⁵ = 25234214449 is a prime.

It is a super-2 number, since 2×25234214481² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25234214461) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 28609780 + ... + 28610661.

Almost surely, 2^25234214481 is an apocalyptic number.

25234214481 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

25234214481 is a deficient number, since it is larger than the sum of its proper divisors (17166133041).

25234214481 is a wasteful number, since it uses less digits than its factorization.

25234214481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57220461 (or 57220451 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The spelling of 25234214481 in words is "twenty-five billion, two hundred thirty-four million, two hundred fourteen thousand, four hundred eighty-one".