542970898 has 4 divisors (see below), whose sum is σ = 814456350. Its totient is φ = 271485448.

The previous prime is 542970889. The next prime is 542970937. The reversal of 542970898 is 898079245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 531901969 + 11068929 = 23063^2 + 3327^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135742723 + ... + 135742726.

Almost surely, 2^542970898 is an apocalyptic number.

542970898 is a deficient number, since it is larger than the sum of its proper divisors (271485452).

542970898 is a wasteful number, since it uses less digits than its factorization.

542970898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271485451.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The square root of 542970898 is about 23301.7359439163. The cubic root of 542970898 is about 815.8159357122.

The spelling of 542970898 in words is "five hundred forty-two million, nine hundred seventy thousand, eight hundred ninety-eight".