1252355516 has 6 divisors (see below), whose sum is σ = 2191622160. Its totient is φ = 626177756.

The previous prime is 1252355513. The next prime is 1252355519. The reversal of 1252355516 is 6155532521.

It is an interprime number because it is at equal distance from previous prime (1252355513) and next prime (1252355519).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252355513) by changing a digit.

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 as a sum of consecutive naturals, namely, 156544436 + ... + 156544443.

It is an arithmetic number, because the mean of its divisors is an integer number (365270360).

Almost surely, 2^1252355516 is an apocalyptic number.

It is an amenable number.

1252355516 is a deficient number, since it is larger than the sum of its proper divisors (939266644).

1252355516 is a wasteful number, since it uses less digits than its factorization.

1252355516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313088883 (or 313088881 counting only the distinct ones).

The product of its digits is 45000, while the sum is 35.

The square root of 1252355516 is about 35388.6354074299. The cubic root of 1252355516 is about 1077.8935611546.

The spelling of 1252355516 in words is "one billion, two hundred fifty-two million, three hundred fifty-five thousand, five hundred sixteen".