2025015550 has 24 divisors (see below), whose sum is σ = 3868330536. Its totient is φ = 788113440.

The previous prime is 2025015521. The next prime is 2025015569. The reversal of 2025015550 is 555105202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

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, 545452 + ... + 549151.

It is an arithmetic number, because the mean of its divisors is an integer number (161180439).

Almost surely, 2^2025015550 is an apocalyptic number.

2025015550 is a deficient number, since it is larger than the sum of its proper divisors (1843314986).

2025015550 is a wasteful number, since it uses less digits than its factorization.

2025015550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094652 (or 1094647 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 2025015550 is about 45000.1727774461. The cubic root of 2025015550 is about 1265.1522363093.

The spelling of 2025015550 in words is "two billion, twenty-five million, fifteen thousand, five hundred fifty".