51543122025 has 24 divisors (see below), whose sum is σ = 85404491104. Its totient is φ = 27429494400.

The previous prime is 51543122023. The next prime is 51543122027. The reversal of 51543122025 is 52022134515.

It is an interprime number because it is at equal distance from previous prime (51543122023) and next prime (51543122027).

It is not a de Polignac number, because 51543122025 - 2¹ = 51543122023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51543121983 and 51543122001.

It is not an unprimeable number, because it can be changed into a prime (51543122021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 717631 + ... + 786180.

Almost surely, 2^51543122025 is an apocalyptic number.

It is an amenable number.

51543122025 is a deficient number, since it is larger than the sum of its proper divisors (33861369079).

51543122025 is a wasteful number, since it uses less digits than its factorization.

51543122025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504281 (or 1504276 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 51543122025 in words is "fifty-one billion, five hundred forty-three million, one hundred twenty-two thousand, twenty-five".