25001942025 has 24 divisors (see below), whose sum is σ = 41610314944. Its totient is φ = 13246056000.

The previous prime is 25001942023. The next prime is 25001942027. The reversal of 25001942025 is 52024910052.

It is an interprime number because it is at equal distance from previous prime (25001942023) and next prime (25001942027).

It is not a de Polignac number, because 25001942025 - 2¹ = 25001942023 is a prime.

It is a super-2 number, since 2×25001942025² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25001941983 and 25001942001.

It is not an unprimeable number, because it can be changed into a prime (25001942023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1092514 + ... + 1115163.

Almost surely, 2^25001942025 is an apocalyptic number.

25001942025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25001942025 is a deficient number, since it is larger than the sum of its proper divisors (16608372919).

25001942025 is a wasteful number, since it uses less digits than its factorization.

25001942025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207841 (or 2207836 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 25001942025 in words is "twenty-five billion, one million, nine hundred forty-two thousand, twenty-five".