542451001 has 2 divisors, whose sum is σ = 542451002. Its totient is φ = 542451000.

The previous prime is 542450947. The next prime is 542451031. The reversal of 542451001 is 100154245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 404975376 + 137475625 = 20124^2 + 11725^2 .

It is a cyclic number.

It is not a de Polignac number, because 542451001 - 2²⁵ = 508896569 is a prime.

It is not a weakly prime, because it can be changed into another prime (542451031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271225500 + 271225501.

It is an arithmetic number, because the mean of its divisors is an integer number (271225501).

Almost surely, 2^542451001 is an apocalyptic number.

It is an amenable number.

542451001 is a deficient number, since it is larger than the sum of its proper divisors (1).

542451001 is an equidigital number, since it uses as much as digits as its factorization.

542451001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 542451001 is about 23290.5775153816. The cubic root of 542451001 is about 815.5554701249. Note that the first 3 decimals are identical.

It can be divided in two parts, 54245 and 1001, that multiplied together give a palindrome (54299245).

The spelling of 542451001 in words is "five hundred forty-two million, four hundred fifty-one thousand, one".