5400571021 has 4 divisors (see below), whose sum is σ = 5436336544. Its totient is φ = 5364805500.

The previous prime is 5400571003. The next prime is 5400571037. The reversal of 5400571021 is 1201750045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5400571021 - 2⁷ = 5400570893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5400571091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17882535 + ... + 17882836.

It is an arithmetic number, because the mean of its divisors is an integer number (1359084136).

Almost surely, 2^5400571021 is an apocalyptic number.

It is an amenable number.

5400571021 is a deficient number, since it is larger than the sum of its proper divisors (35765523).

5400571021 is a wasteful number, since it uses less digits than its factorization.

5400571021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35765522.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 5400571021 is about 73488.5774865727. The cubic root of 5400571021 is about 1754.4724805827.

The spelling of 5400571021 in words is "five billion, four hundred million, five hundred seventy-one thousand, twenty-one".