981479541 has 16 divisors (see below), whose sum is σ = 1504548864. Its totient is φ = 557485104.

The previous prime is 981479537. The next prime is 981479549. The reversal of 981479541 is 145974189.

It is not a de Polignac number, because 981479541 - 2² = 981479537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981479549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136425 + ... + 143438.

It is an arithmetic number, because the mean of its divisors is an integer number (94034304).

Almost surely, 2^981479541 is an apocalyptic number.

It is an amenable number.

981479541 is a deficient number, since it is larger than the sum of its proper divisors (523069323).

981479541 is a wasteful number, since it uses less digits than its factorization.

981479541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280040.

The product of its digits is 362880, while the sum is 48.

The square root of 981479541 is about 31328.5738743403. The cubic root of 981479541 is about 993.7880046855.

The spelling of 981479541 in words is "nine hundred eighty-one million, four hundred seventy-nine thousand, five hundred forty-one".