58787261 has 4 divisors (see below), whose sum is σ = 63309372. Its totient is φ = 54265152.

The previous prime is 58787243. The next prime is 58787279. The reversal of 58787261 is 16278785.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (58787243) and next prime (58787279).

It can be written as a sum of positive squares in 2 ways, for example, as 31024900 + 27762361 = 5570^2 + 5269^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-58787261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58787761) 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, 2261036 + ... + 2261061.

It is an arithmetic number, because the mean of its divisors is an integer number (15827343).

Almost surely, 2^58787261 is an apocalyptic number.

It is an amenable number.

58787261 is a deficient number, since it is larger than the sum of its proper divisors (4522111).

58787261 is a wasteful number, since it uses less digits than its factorization.

58787261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4522110.

The product of its digits is 188160, while the sum is 44.

The square root of 58787261 is about 7667.2851127371. The cubic root of 58787261 is about 388.8311728980.

The spelling of 58787261 in words is "fifty-eight million, seven hundred eighty-seven thousand, two hundred sixty-one".