1655150025 has 12 divisors (see below), whose sum is σ = 2736514832. Its totient is φ = 882746640.

The previous prime is 1655150017. The next prime is 1655150053. The reversal of 1655150025 is 5200515561.

It is not a de Polignac number, because 1655150025 - 2³ = 1655150017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1655149974 and 1655150001.

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, 11034259 + ... + 11034408.

Almost surely, 2^1655150025 is an apocalyptic number.

1655150025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1655150025 is a deficient number, since it is larger than the sum of its proper divisors (1081364807).

1655150025 is a wasteful number, since it uses less digits than its factorization.

1655150025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22068680 (or 22068675 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 1655150025 is about 40683.5350602673. The cubic root of 1655150025 is about 1182.8938893747.

Adding to 1655150025 its reverse (5200515561), we get a palindrome (6855665586).

The spelling of 1655150025 in words is "one billion, six hundred fifty-five million, one hundred fifty thousand, twenty-five".