542140250 has 32 divisors (see below), whose sum is σ = 1020578832. Its totient is φ = 215640000.

The previous prime is 542140223. The next prime is 542140271. The reversal of 542140250 is 52041245.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 10699441 + 531440809 = 3271^2 + 23053^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39260 + ... + 51240.

Almost surely, 2^542140250 is an apocalyptic number.

542140250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

542140250 is a deficient number, since it is larger than the sum of its proper divisors (478438582).

542140250 is a wasteful number, since it uses less digits than its factorization.

542140250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12179 (or 12169 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 542140250 is about 23283.9053854803. The cubic root of 542140250 is about 815.3997060789.

Adding to 542140250 its reverse (52041245), we get a palindrome (594181495).

The spelling of 542140250 in words is "five hundred forty-two million, one hundred forty thousand, two hundred fifty".