2650557 has 48 divisors (see below), whose sum is σ = 4724160. Its totient is φ = 1306368.

The previous prime is 2650541. The next prime is 2650559. The reversal of 2650557 is 7550562.

It is not a de Polignac number, because 2650557 - 2⁴ = 2650541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2650559) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36273 + ... + 36345.

It is an arithmetic number, because the mean of its divisors is an integer number (98420).

2^2650557 is an apocalyptic number.

It is an amenable number.

2650557 is a deficient number, since it is larger than the sum of its proper divisors (2073603).

2650557 is a wasteful number, since it uses less digits than its factorization.

2650557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 2650557 is about 1628.0531318111. The cubic root of 2650557 is about 138.3924451811.

It can be divided in two parts, 26505 and 57, that added together give a palindrome (26562).

The spelling of 2650557 in words is "two million, six hundred fifty thousand, five hundred fifty-seven".