542025131 has 2 divisors, whose sum is σ = 542025132. Its totient is φ = 542025130.

The previous prime is 542025097. The next prime is 542025137. The reversal of 542025131 is 131520245.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542025131 is a prime.

It is a super-2 number, since 2×542025131² = 587582485271134322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 542025097 and 542025106.

It is not a weakly prime, because it can be changed into another prime (542025137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271012565 + 271012566.

It is an arithmetic number, because the mean of its divisors is an integer number (271012566).

Almost surely, 2^542025131 is an apocalyptic number.

542025131 is a deficient number, since it is larger than the sum of its proper divisors (1).

542025131 is an equidigital number, since it uses as much as digits as its factorization.

542025131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 542025131 is about 23281.4331818297. The cubic root of 542025131 is about 815.3419875313.

Adding to 542025131 its reverse (131520245), we get a palindrome (673545376).

The spelling of 542025131 in words is "five hundred forty-two million, twenty-five thousand, one hundred thirty-one".