5401252101 has 32 divisors (see below), whose sum is σ = 8511049728. Its totient is φ = 2982957120.

The previous prime is 5401252069. The next prime is 5401252111. The reversal of 5401252101 is 1012521045.

5401252101 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5401252101 - 2⁵ = 5401252069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5401252111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38356 + ... + 110786.

It is an arithmetic number, because the mean of its divisors is an integer number (265970304).

Almost surely, 2^5401252101 is an apocalyptic number.

It is an amenable number.

5401252101 is a deficient number, since it is larger than the sum of its proper divisors (3109797627).

5401252101 is a wasteful number, since it uses less digits than its factorization.

5401252101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72561.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 5401252101 is about 73493.2112579114. The cubic root of 5401252101 is about 1754.5462311721.

Adding to 5401252101 its reverse (1012521045), we get a palindrome (6413773146).

The spelling of 5401252101 in words is "five billion, four hundred one million, two hundred fifty-two thousand, one hundred one".