58525981 has 4 divisors (see below), whose sum is σ = 58623964. Its totient is φ = 58428000.

The previous prime is 58525979. The next prime is 58525991. The reversal of 58525981 is 18952585.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18952585 = 5 ⋅3790517.

It can be written as a sum of positive squares in 2 ways, for example, as 48860100 + 9665881 = 6990^2 + 3109^2 .

It is a cyclic number.

It is not a de Polignac number, because 58525981 - 2¹ = 58525979 is a prime.

It is a super-2 number, since 2×58525981² = 6850580904024722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58525991) 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, 48090 + ... + 49291.

It is an arithmetic number, because the mean of its divisors is an integer number (14655991).

Almost surely, 2^58525981 is an apocalyptic number.

It is an amenable number.

58525981 is a deficient number, since it is larger than the sum of its proper divisors (97983).

58525981 is an equidigital number, since it uses as much as digits as its factorization.

58525981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97982.

The product of its digits is 144000, while the sum is 43.

The square root of 58525981 is about 7650.2275129567. The cubic root of 58525981 is about 388.2542639379.

The spelling of 58525981 in words is "fifty-eight million, five hundred twenty-five thousand, nine hundred eighty-one".