79401541 has 4 divisors (see below), whose sum is σ = 79703712. Its totient is φ = 79099372.

The previous prime is 79401533. The next prime is 79401587. The reversal of 79401541 is 14510497.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14510497 = 61 ⋅237877.

It is a cyclic number.

It is not a de Polignac number, because 79401541 - 2³ = 79401533 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79401341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150691 + ... + 151216.

It is an arithmetic number, because the mean of its divisors is an integer number (19925928).

Almost surely, 2^79401541 is an apocalyptic number.

It is an amenable number.

79401541 is a deficient number, since it is larger than the sum of its proper divisors (302171).

79401541 is a wasteful number, since it uses less digits than its factorization.

79401541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302170.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 79401541 is about 8910.7542329480. The cubic root of 79401541 is about 429.8097968961.

The spelling of 79401541 in words is "seventy-nine million, four hundred one thousand, five hundred forty-one".