542610025 has 12 divisors (see below), whose sum is σ = 685533132. Its totient is φ = 425896640.

The previous prime is 542610023. The next prime is 542610049. The reversal of 542610025 is 520016245.

It can be written as a sum of positive squares in 6 ways, for example, as 88962624 + 453647401 = 9432^2 + 21299^2 .

It is not a de Polignac number, because 542610025 - 2¹ = 542610023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542610023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203434 + ... + 206083.

It is an arithmetic number, because the mean of its divisors is an integer number (57127761).

Almost surely, 2^542610025 is an apocalyptic number.

It is an amenable number.

542610025 is a deficient number, since it is larger than the sum of its proper divisors (142923107).

542610025 is a wasteful number, since it uses less digits than its factorization.

542610025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409580 (or 409575 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 542610025 is about 23293.9911779841. The cubic root of 542610025 is about 815.6351579501.

It can be divided in two parts, 5426 and 10025, that added together give a palindrome (15451).

The spelling of 542610025 in words is "five hundred forty-two million, six hundred ten thousand, twenty-five".