842054537 has 2 divisors, whose sum is σ = 842054538. Its totient is φ = 842054536.

The previous prime is 842054441. The next prime is 842054579. The reversal of 842054537 is 735450248.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 833823376 + 8231161 = 28876^2 + 2869^2 .

It is a cyclic number.

It is not a de Polignac number, because 842054537 - 2⁸ = 842054281 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 842054537.

It is not a weakly prime, because it can be changed into another prime (842054737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421027268 + 421027269.

It is an arithmetic number, because the mean of its divisors is an integer number (421027269).

Almost surely, 2^842054537 is an apocalyptic number.

It is an amenable number.

842054537 is a deficient number, since it is larger than the sum of its proper divisors (1).

842054537 is an equidigital number, since it uses as much as digits as its factorization.

842054537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 842054537 is about 29018.1759764462. The cubic root of 842054537 is about 944.3074298086.

The spelling of 842054537 in words is "eight hundred forty-two million, fifty-four thousand, five hundred thirty-seven".