901072541 has 8 divisors (see below), whose sum is σ = 955665024. Its totient is φ = 847764720.

The previous prime is 901072537. The next prime is 901072577. The reversal of 901072541 is 145270109.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 901072541 - 2² = 901072537 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901072241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319721 + ... + 322526.

It is an arithmetic number, because the mean of its divisors is an integer number (119458128).

Almost surely, 2^901072541 is an apocalyptic number.

It is an amenable number.

901072541 is a deficient number, since it is larger than the sum of its proper divisors (54592483).

901072541 is a wasteful number, since it uses less digits than its factorization.

901072541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642331.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 901072541 is about 30017.8703608367. The cubic root of 901072541 is about 965.8727608546.

The spelling of 901072541 in words is "nine hundred one million, seventy-two thousand, five hundred forty-one".