545972401 has 8 divisors (see below), whose sum is σ = 592202240. Its totient is φ = 500347152.

The previous prime is 545972363. The next prime is 545972431. The reversal of 545972401 is 104279545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545972401 - 2¹⁵ = 545939633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545972431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149265 + ... + 152878.

It is an arithmetic number, because the mean of its divisors is an integer number (74025280).

Almost surely, 2^545972401 is an apocalyptic number.

It is an amenable number.

545972401 is a deficient number, since it is larger than the sum of its proper divisors (46229839).

545972401 is a wasteful number, since it uses less digits than its factorization.

545972401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302295.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 545972401 is about 23366.0523195511. The cubic root of 545972401 is about 817.3164309590.

The spelling of 545972401 in words is "five hundred forty-five million, nine hundred seventy-two thousand, four hundred one".