2651537 has 12 divisors (see below), whose sum is σ = 3145716. Its totient is φ = 2227680.

The previous prime is 2651513. The next prime is 2651549. The reversal of 2651537 is 7351562.

It can be written as a sum of positive squares in 2 ways, for example, as 1731856 + 919681 = 1316^2 + 959^2 .

It is not a de Polignac number, because 2651537 - 2⁸ = 2651281 is a prime.

It is a super-5 number, since 5×2651537⁵ (a number of 33 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2651137) 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, 2087 + ... + 3107.

It is an arithmetic number, because the mean of its divisors is an integer number (262143).

2^2651537 is an apocalyptic number.

It is an amenable number.

2651537 is a deficient number, since it is larger than the sum of its proper divisors (494179).

2651537 is a wasteful number, since it uses less digits than its factorization.

2651537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 1081 counting only the distinct ones).

The product of its digits is 6300, while the sum is 29.

The square root of 2651537 is about 1628.3540769747. The cubic root of 2651537 is about 138.4094991921.

The spelling of 2651537 in words is "two million, six hundred fifty-one thousand, five hundred thirty-seven".