75485959 has 2 divisors, whose sum is σ = 75485960. Its totient is φ = 75485958.

The previous prime is 75485953. The next prime is 75485981. The reversal of 75485959 is 95958457.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75485959 - 2¹³ = 75477767 is a prime.

It is a super-2 number, since 2×75485959² = 11396260012299362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75485953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37742979 + 37742980.

It is an arithmetic number, because the mean of its divisors is an integer number (37742980).

Almost surely, 2^75485959 is an apocalyptic number.

75485959 is a deficient number, since it is larger than the sum of its proper divisors (1).

75485959 is an equidigital number, since it uses as much as digits as its factorization.

75485959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268000, while the sum is 52.

The square root of 75485959 is about 8688.2655921651. The cubic root of 75485959 is about 422.6252029065.

The spelling of 75485959 in words is "seventy-five million, four hundred eighty-five thousand, nine hundred fifty-nine".