1400681225 has 6 divisors (see below), whose sum is σ = 1736844750. Its totient is φ = 1120544960.

The previous prime is 1400681171. The next prime is 1400681239. The reversal of 1400681225 is 5221860041.

It can be written as a sum of positive squares in 3 ways, for example, as 1098304 + 1399582921 = 1048^2 + 37411^2 .

It is not a de Polignac number, because 1400681225 - 2³⁰ = 326939401 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28013600 + ... + 28013649.

It is an arithmetic number, because the mean of its divisors is an integer number (289474125).

Almost surely, 2^1400681225 is an apocalyptic number.

It is an amenable number.

1400681225 is a deficient number, since it is larger than the sum of its proper divisors (336163525).

1400681225 is an equidigital number, since it uses as much as digits as its factorization.

1400681225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56027259 (or 56027254 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1400681225 is about 37425.6760125986. The cubic root of 1400681225 is about 1118.8703600103.

The spelling of 1400681225 in words is "one billion, four hundred million, six hundred eighty-one thousand, two hundred twenty-five".