1499249025 has 18 divisors (see below), whose sum is σ = 2685321990. Its totient is φ = 799599360.

The previous prime is 1499248981. The next prime is 1499249039. The reversal of 1499249025 is 5209429941.

It can be written as a sum of positive squares in 3 ways, for example, as 178944129 + 1320304896 = 13377^2 + 36336^2 .

It is not a de Polignac number, because 1499249025 - 2¹⁴ = 1499232641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3331440 + ... + 3331889.

It is an arithmetic number, because the mean of its divisors is an integer number (149184555).

Almost surely, 2^1499249025 is an apocalyptic number.

1499249025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1499249025 is a deficient number, since it is larger than the sum of its proper divisors (1186072965).

1499249025 is a wasteful number, since it uses less digits than its factorization.

1499249025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6663345 (or 6663337 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 1499249025 is about 38720.1372027528. The cubic root of 1499249025 is about 1144.5231769356.

The spelling of 1499249025 in words is "one billion, four hundred ninety-nine million, two hundred forty-nine thousand, twenty-five".