61258575 has 72 divisors (see below), whose sum is σ = 119873280. Its totient is φ = 27518400.

The previous prime is 61258567. The next prime is 61258597. The reversal of 61258575 is 57585216.

It is not a de Polignac number, because 61258575 - 2³ = 61258567 is a prime.

It is a super-2 number, since 2×61258575² = 7505226022061250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 290220 + ... + 290430.

Almost surely, 2^61258575 is an apocalyptic number.

61258575 is a deficient number, since it is larger than the sum of its proper divisors (58614705).

61258575 is a wasteful number, since it uses less digits than its factorization.

61258575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 305 counting only the distinct ones).

The product of its digits is 84000, while the sum is 39.

The square root of 61258575 is about 7826.7857387308. The cubic root of 61258575 is about 394.2051526789.

It can be divided in two parts, 6125 and 8575, that multiplied together give a 5-th power (52521875 = 35⁵).

The spelling of 61258575 in words is "sixty-one million, two hundred fifty-eight thousand, five hundred seventy-five".