5400202251 has 4 divisors (see below), whose sum is σ = 7200269672. Its totient is φ = 3600134832.

The previous prime is 5400202231. The next prime is 5400202267. The reversal of 5400202251 is 1522020045.

It is a happy number.

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

It is not a de Polignac number, because 5400202251 - 2⁵ = 5400202219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5400202231) 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, 900033706 + ... + 900033711.

It is an arithmetic number, because the mean of its divisors is an integer number (1800067418).

Almost surely, 2^5400202251 is an apocalyptic number.

5400202251 is a deficient number, since it is larger than the sum of its proper divisors (1800067421).

5400202251 is a wasteful number, since it uses less digits than its factorization.

5400202251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800067420.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 5400202251 is about 73486.0684143600. The cubic root of 5400202251 is about 1754.4325458214.

Adding to 5400202251 its reverse (1522020045), we get a palindrome (6922222296).

The spelling of 5400202251 in words is "five billion, four hundred million, two hundred two thousand, two hundred fifty-one".