1258652385 has 32 divisors (see below), whose sum is σ = 2239332480. Its totient is φ = 670762944.

The previous prime is 1258652377. The next prime is 1258652393. The reversal of 1258652385 is 5832568521.

1258652385 is a `hidden beast` number, since 12 + 586 + 52 + 3 + 8 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (1258652377) and next prime (1258652393).

It is not a de Polignac number, because 1258652385 - 2³ = 1258652377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1258652385.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225802 + ... + 231308.

It is an arithmetic number, because the mean of its divisors is an integer number (69979140).

Almost surely, 2^1258652385 is an apocalyptic number.

1258652385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1258652385 is a deficient number, since it is larger than the sum of its proper divisors (980680095).

1258652385 is a wasteful number, since it uses less digits than its factorization.

1258652385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7214 (or 7208 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 1258652385 is about 35477.4912444496. The cubic root of 1258652385 is about 1079.6970986970.

The spelling of 1258652385 in words is "one billion, two hundred fifty-eight million, six hundred fifty-two thousand, three hundred eighty-five".