70541 has 4 divisors (see below), whose sum is σ = 73632. Its totient is φ = 67452.

The previous prime is 70537. The next prime is 70549. The reversal of 70541 is 14507.

It is a happy number.

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: 14507 = 89 ⋅163.

It is a cyclic number.

It is not a de Polignac number, because 70541 - 2² = 70537 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a plaindrome in base 9 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70549) 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, 1511 + ... + 1556.

It is an arithmetic number, because the mean of its divisors is an integer number (18408).

2⁷⁰⁵⁴¹ is an apocalyptic number.

It is an amenable number.

70541 is a deficient number, since it is larger than the sum of its proper divisors (3091).

70541 is a wasteful number, since it uses less digits than its factorization.

70541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 70541 is about 265.5955571918. The cubic root of 70541 is about 41.3187528062.

The spelling of 70541 in words is "seventy thousand, five hundred forty-one".