1405416625 has 16 divisors (see below), whose sum is σ = 1755411840. Its totient is φ = 1123402800.

The previous prime is 1405416619. The next prime is 1405416631. The reversal of 1405416625 is 5266145041.

It is an interprime number because it is at equal distance from previous prime (1405416619) and next prime (1405416631).

It is not a de Polignac number, because 1405416625 - 2⁹ = 1405416113 is a prime.

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, 174436 + ... + 182314.

It is an arithmetic number, because the mean of its divisors is an integer number (109713240).

Almost surely, 2^1405416625 is an apocalyptic number.

It is an amenable number.

1405416625 is a deficient number, since it is larger than the sum of its proper divisors (349995215).

1405416625 is an equidigital number, since it uses as much as digits as its factorization.

1405416625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9321 (or 9311 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 1405416625 is about 37488.8866865902. The cubic root of 1405416625 is about 1120.1298279029.

It can be divided in two parts, 1405416 and 625, that added together give a palindrome (1406041).

The spelling of 1405416625 in words is "one billion, four hundred five million, four hundred sixteen thousand, six hundred twenty-five".