1402525265 has 4 divisors (see below), whose sum is σ = 1683030324. Its totient is φ = 1122020208.

The previous prime is 1402525249. The next prime is 1402525301. The reversal of 1402525265 is 5625252041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5625252041 = 31193 ⋅180337.

It can be written as a sum of positive squares in 2 ways, for example, as 755535169 + 646990096 = 27487^2 + 25436^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402525265 - 2⁴ = 1402525249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140252522 + ... + 140252531.

It is an arithmetic number, because the mean of its divisors is an integer number (420757581).

Almost surely, 2^1402525265 is an apocalyptic number.

It is an amenable number.

1402525265 is a deficient number, since it is larger than the sum of its proper divisors (280505059).

1402525265 is an equidigital number, since it uses as much as digits as its factorization.

1402525265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280505058.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 1402525265 is about 37450.3039373514. The cubic root of 1402525265 is about 1119.3611537953.

The spelling of 1402525265 in words is "one billion, four hundred two million, five hundred twenty-five thousand, two hundred sixty-five".