6142642025 has 12 divisors (see below), whose sum is σ = 8202790092. Its totient is φ = 4536104640.

The previous prime is 6142641997. The next prime is 6142642027. The reversal of 6142642025 is 5202462416.

It can be written as a sum of positive squares in 6 ways, for example, as 41938576 + 6100703449 = 6476^2 + 78107^2 .

It is not a de Polignac number, because 6142642025 - 2³⁰ = 5068900201 is a prime.

It is a super-2 number, since 2×6142642025² = 75464102094592201250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6142641982 and 6142642000.

It is not an unprimeable number, because it can be changed into a prime (6142642027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9449894 + ... + 9450543.

It is an arithmetic number, because the mean of its divisors is an integer number (683565841).

Almost surely, 2^6142642025 is an apocalyptic number.

6142642025 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6142642025 is a deficient number, since it is larger than the sum of its proper divisors (2060148067).

6142642025 is a wasteful number, since it uses less digits than its factorization.

6142642025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18900460 (or 18900455 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 6142642025 is about 78375.0089314189. The cubic root of 6142642025 is about 1831.4078394860.

The spelling of 6142642025 in words is "six billion, one hundred forty-two million, six hundred forty-two thousand, twenty-five".