1506252013 has 6 divisors (see below), whose sum is σ = 1752170766. Its totient is φ = 1291073112.

The previous prime is 1506251983. The next prime is 1506252023. The reversal of 1506252013 is 3102526051.

It can be written as a sum of positive squares in only one way, i.e., 1485485764 + 20766249 = 38542^2 + 4557^2 .

It is not a de Polignac number, because 1506252013 - 2⁹ = 1506251501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1506252023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15369870 + ... + 15369967.

It is an arithmetic number, because the mean of its divisors is an integer number (292028461).

Almost surely, 2^1506252013 is an apocalyptic number.

It is an amenable number.

1506252013 is a deficient number, since it is larger than the sum of its proper divisors (245918753).

1506252013 is an equidigital number, since it uses as much as digits as its factorization.

1506252013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30739851 (or 30739844 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1506252013 is about 38810.4626743872. The cubic root of 1506252013 is about 1146.3024310263.

Adding to 1506252013 its reverse (3102526051), we get a palindrome (4608778064).

The spelling of 1506252013 in words is "one billion, five hundred six million, two hundred fifty-two thousand, thirteen".