1502252639 has 2 divisors, whose sum is σ = 1502252640. Its totient is φ = 1502252638.

The previous prime is 1502252621. The next prime is 1502252641. The reversal of 1502252639 is 9362522051.

It is a strong prime.

It is an emirp because it is prime and its reverse (9362522051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1502252639 - 2¹² = 1502248543 is a prime.

It is a Sophie Germain prime.

Together with 1502252641, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1502252599 and 1502252608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1502252239) 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, 751126319 + 751126320.

It is an arithmetic number, because the mean of its divisors is an integer number (751126320).

Almost surely, 2^1502252639 is an apocalyptic number.

1502252639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1502252639 is an equidigital number, since it uses as much as digits as its factorization.

1502252639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 1502252639 is about 38758.9039963722. The cubic root of 1502252639 is about 1145.2869843747.

The spelling of 1502252639 in words is "one billion, five hundred two million, two hundred fifty-two thousand, six hundred thirty-nine".