1337520625 has 20 divisors (see below), whose sum is σ = 1910138560. Its totient is φ = 917154000.

The previous prime is 1337520617. The next prime is 1337520631. The reversal of 1337520625 is 5260257331.

It is not a de Polignac number, because 1337520625 - 2³ = 1337520617 is a prime.

It is a super-2 number, since 2×1337520625² = 3577922844600781250, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 148485 + ... + 157234.

It is an arithmetic number, because the mean of its divisors is an integer number (95506928).

Almost surely, 2^1337520625 is an apocalyptic number.

It is an amenable number.

1337520625 is a deficient number, since it is larger than the sum of its proper divisors (572617935).

1337520625 is an frugal number, since it uses more digits than its factorization.

1337520625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305746 (or 305731 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 1337520625 is about 36572.1290739273. The cubic root of 1337520625 is about 1101.7933899766.

Adding to 1337520625 its reverse (5260257331), we get a palindrome (6597777956).

The spelling of 1337520625 in words is "one billion, three hundred thirty-seven million, five hundred twenty thousand, six hundred twenty-five".