542252563251 has 32 divisors (see below), whose sum is σ = 876385681920. Its totient is φ = 291134701056.

The previous prime is 542252563243. The next prime is 542252563253. The reversal of 542252563251 is 152365252245.

It is not a de Polignac number, because 542252563251 - 2³ = 542252563243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542252563253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1084236 + ... + 1503353.

It is an arithmetic number, because the mean of its divisors is an integer number (27387052560).

Almost surely, 2^542252563251 is an apocalyptic number.

542252563251 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

542252563251 is a deficient number, since it is larger than the sum of its proper divisors (334133118669).

542252563251 is a wasteful number, since it uses less digits than its factorization.

542252563251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588203.

The product of its digits is 720000, while the sum is 42.

The spelling of 542252563251 in words is "five hundred forty-two billion, two hundred fifty-two million, five hundred sixty-three thousand, two hundred fifty-one".