1240333525 has 12 divisors (see below), whose sum is σ = 1570738752. Its totient is φ = 971153840.

The previous prime is 1240333513. The next prime is 1240333531. The reversal of 1240333525 is 5253330421.

It is not a de Polignac number, because 1240333525 - 2¹⁵ = 1240300757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1240333493 and 1240333502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 526627 + ... + 528976.

It is an arithmetic number, because the mean of its divisors is an integer number (130894896).

Almost surely, 2^1240333525 is an apocalyptic number.

It is an amenable number.

1240333525 is a deficient number, since it is larger than the sum of its proper divisors (330405227).

1240333525 is a wasteful number, since it uses less digits than its factorization.

1240333525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055660 (or 1055655 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 1240333525 is about 35218.3691416851. The cubic root of 1240333525 is about 1074.4333844703.

Adding to 1240333525 its reverse (5253330421), we get a palindrome (6493663946).

The spelling of 1240333525 in words is "one billion, two hundred forty million, three hundred thirty-three thousand, five hundred twenty-five".