2545605502 has 12 divisors (see below), whose sum is σ = 4197093768. Its totient is φ = 1157093300.

The previous prime is 2545605473. The next prime is 2545605509. The reversal of 2545605502 is 2055065452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545605509) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5259274 + ... + 5259757.

It is an arithmetic number, because the mean of its divisors is an integer number (349757814).

Almost surely, 2^2545605502 is an apocalyptic number.

2545605502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2545605502 is a deficient number, since it is larger than the sum of its proper divisors (1651488266).

2545605502 is a wasteful number, since it uses less digits than its factorization.

2545605502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10519055 (or 10519044 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 2545605502 is about 50453.9939152492. The cubic root of 2545605502 is about 1365.4119527500.

It can be divided in two parts, 254560 and 5502, that added together give a palindrome (260062).

The spelling of 2545605502 in words is "two billion, five hundred forty-five million, six hundred five thousand, five hundred two".