1416387625 has 16 divisors (see below), whose sum is σ = 1768779792. Its totient is φ = 1132387200.

The previous prime is 1416387617. The next prime is 1416387641. The reversal of 1416387625 is 5267836141.

It can be written as a sum of positive squares in 8 ways, for example, as 611473984 + 804913641 = 24728^2 + 28371^2 .

It is not a de Polignac number, because 1416387625 - 2³ = 1416387617 is a prime.

It is a Duffinian 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, 284659 + ... + 289591.

It is an arithmetic number, because the mean of its divisors is an integer number (110548737).

Almost surely, 2^1416387625 is an apocalyptic number.

It is an amenable number.

1416387625 is a deficient number, since it is larger than the sum of its proper divisors (352392167).

1416387625 is an equidigital number, since it uses as much as digits as its factorization.

1416387625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7245 (or 7235 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 1416387625 is about 37634.9256010956. The cubic root of 1416387625 is about 1123.0369387015.

The spelling of 1416387625 in words is "one billion, four hundred sixteen million, three hundred eighty-seven thousand, six hundred twenty-five".