542510847 has 12 divisors (see below), whose sum is σ = 787051720. Its totient is φ = 360093168.

The previous prime is 542510827. The next prime is 542510849. The reversal of 542510847 is 748015245.

542510847 is a `hidden beast` number, since 542 + 5 + 108 + 4 + 7 = 666.

It is not a de Polignac number, because 542510847 - 2⁷ = 542510719 is a prime.

It is a super-2 number, since 2×542510847² = 588636038225314818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542510849) 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, 129553 + ... + 133674.

Almost surely, 2^542510847 is an apocalyptic number.

542510847 is a deficient number, since it is larger than the sum of its proper divisors (244540873).

542510847 is a wasteful number, since it uses less digits than its factorization.

542510847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263462 (or 263459 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 542510847 is about 23291.8622484335. The cubic root of 542510847 is about 815.5854611211.

The spelling of 542510847 in words is "five hundred forty-two million, five hundred ten thousand, eight hundred forty-seven".