2541537 has 12 divisors (see below), whose sum is σ = 3807440. Its totient is φ = 1694196.

The previous prime is 2541533. The next prime is 2541541. The reversal of 2541537 is 7351452.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2541533) and next prime (2541541).

It is not a de Polignac number, because 2541537 - 2² = 2541533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2541537.

It is not an unprimeable number, because it can be changed into a prime (2541533) 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, 4987 + ... + 5472.

2^2541537 is an apocalyptic number.

2541537 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2541537 is a deficient number, since it is larger than the sum of its proper divisors (1265903).

2541537 is an equidigital number, since it uses as much as digits as its factorization.

2541537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10474 (or 10462 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 2541537 is about 1594.2198719123. The cubic root of 2541537 is about 136.4684143800.

Adding to 2541537 its reverse (7351452), we get a palindrome (9892989).

It can be divided in two parts, 25415 and 37, that added together give a palindrome (25452).

The spelling of 2541537 in words is "two million, five hundred forty-one thousand, five hundred thirty-seven".