1406214625 has 8 divisors (see below), whose sum is σ = 1754956008. Its totient is φ = 1124971600.

The previous prime is 1406214613. The next prime is 1406214629. The reversal of 1406214625 is 5264126041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 195105024 + 1211109601 = 13968^2 + 34801^2 .

It is not a de Polignac number, because 1406214625 - 2⁹ = 1406214113 is a prime.

It is a super-3 number, since 3×1406214625³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1406214629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5624734 + ... + 5624983.

It is an arithmetic number, because the mean of its divisors is an integer number (219369501).

Almost surely, 2^1406214625 is an apocalyptic number.

It is an amenable number.

1406214625 is a deficient number, since it is larger than the sum of its proper divisors (348741383).

1406214625 is an equidigital number, since it uses as much as digits as its factorization.

1406214625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11249732 (or 11249722 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1406214625 is about 37499.5283303670. The cubic root of 1406214625 is about 1120.3417922083.

The spelling of 1406214625 in words is "one billion, four hundred six million, two hundred fourteen thousand, six hundred twenty-five".