2402537 has 2 divisors, whose sum is σ = 2402538. Its totient is φ = 2402536.

The previous prime is 2402509. The next prime is 2402549. The reversal of 2402537 is 7352042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2399401 + 3136 = 1549^2 + 56^2 .

It is a cyclic number.

It is not a de Polignac number, because 2402537 - 2¹⁰ = 2401513 is a prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (2402567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1201268 + 1201269.

It is an arithmetic number, because the mean of its divisors is an integer number (1201269).

2^2402537 is an apocalyptic number.

It is an amenable number.

2402537 is a deficient number, since it is larger than the sum of its proper divisors (1).

2402537 is an equidigital number, since it uses as much as digits as its factorization.

2402537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 2402537 is about 1550.0119354379. The cubic root of 2402537 is about 133.9337498307.

Adding to 2402537 its reverse (7352042), we get a palindrome (9754579).

The spelling of 2402537 in words is "two million, four hundred two thousand, five hundred thirty-seven".