1403252265 has 16 divisors (see below), whose sum is σ = 2299965696. Its totient is φ = 730147200.

The previous prime is 1403252243. The next prime is 1403252297. The reversal of 1403252265 is 5622523041.

It is not a de Polignac number, because 1403252265 - 2¹² = 1403248169 is a prime.

It is a super-3 number, since 3×1403252265³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1140241 + ... + 1141470.

It is an arithmetic number, because the mean of its divisors is an integer number (143747856).

Almost surely, 2^1403252265 is an apocalyptic number.

1403252265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1403252265 is a deficient number, since it is larger than the sum of its proper divisors (896713431).

1403252265 is a wasteful number, since it uses less digits than its factorization.

1403252265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281760.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1403252265 is about 37460.0088761335. The cubic root of 1403252265 is about 1119.5545276124.

The spelling of 1403252265 in words is "one billion, four hundred three million, two hundred fifty-two thousand, two hundred sixty-five".