1337685225 has 12 divisors (see below), whose sum is σ = 2211639696. Its totient is φ = 713432080.

The previous prime is 1337685211. The next prime is 1337685259. The reversal of 1337685225 is 5225867331.

It is a happy number.

It is not a de Polignac number, because 1337685225 - 2⁸ = 1337684969 is a prime.

It is a super-2 number, since 2×1337685225² = 3578803522366601250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8917827 + ... + 8917976.

It is an arithmetic number, because the mean of its divisors is an integer number (184303308).

Almost surely, 2^1337685225 is an apocalyptic number.

1337685225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1337685225 is a deficient number, since it is larger than the sum of its proper divisors (873954471).

1337685225 is a wasteful number, since it uses less digits than its factorization.

1337685225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17835816 (or 17835811 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 1337685225 is about 36574.3793522187. The cubic root of 1337685225 is about 1101.8385849813.

The spelling of 1337685225 in words is "one billion, three hundred thirty-seven million, six hundred eighty-five thousand, two hundred twenty-five".