1625414342553 has 12 divisors (see below), whose sum is σ = 2347861179300. Its totient is φ = 1083590886816.

The previous prime is 1625414342533. The next prime is 1625414342593. The reversal of 1625414342553 is 3552434145261.

1625414342553 is a `hidden beast` number, since 1 + 6 + 2 + 54 + 1 + 4 + 3 + 42 + 553 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1602269892864 + 23144449689 = 1265808^2 + 152133^2 .

It is not a de Polignac number, because 1625414342553 - 2⁸ = 1625414342297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1625414342499 and 1625414342508.

It is not an unprimeable number, because it can be changed into a prime (1625414342533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 994326 + ... + 2059007.

It is an arithmetic number, because the mean of its divisors is an integer number (195655098275).

Almost surely, 2^{1625414342553} is an apocalyptic number.

It is an amenable number.

1625414342553 is a deficient number, since it is larger than the sum of its proper divisors (722446836747).

1625414342553 is a wasteful number, since it uses less digits than its factorization.

1625414342553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112488 (or 3112485 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

The spelling of 1625414342553 in words is "one trillion, six hundred twenty-five billion, four hundred fourteen million, three hundred forty-two thousand, five hundred fifty-three".