1255025415 has 16 divisors (see below), whose sum is σ = 2294903808. Its totient is φ = 573725856.

The previous prime is 1255025393. The next prime is 1255025437. The reversal of 1255025415 is 5145205521.

It is an interprime number because it is at equal distance from previous prime (1255025393) and next prime (1255025437).

It is not a de Polignac number, because 1255025415 - 2⁷ = 1255025287 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5976207 + ... + 5976416.

It is an arithmetic number, because the mean of its divisors is an integer number (143431488).

Almost surely, 2^1255025415 is an apocalyptic number.

1255025415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1255025415 is a deficient number, since it is larger than the sum of its proper divisors (1039878393).

1255025415 is a wasteful number, since it uses less digits than its factorization.

1255025415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11952638.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 1255025415 is about 35426.3378717022. The cubic root of 1255025415 is about 1078.6590052087.

The spelling of 1255025415 in words is "one billion, two hundred fifty-five million, twenty-five thousand, four hundred fifteen".