1372537 has 2 divisors, whose sum is σ = 1372538. Its totient is φ = 1372536.

The previous prime is 1372531. The next prime is 1372543. The reversal of 1372537 is 7352731.

It is a balanced prime because it is at equal distance from previous prime (1372531) and next prime (1372543).

It can be written as a sum of positive squares in only one way, i.e., 1371241 + 1296 = 1171^2 + 36^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1372537 is a prime.

It is not a weakly prime, because it can be changed into another prime (1372531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686268 + 686269.

It is an arithmetic number, because the mean of its divisors is an integer number (686269).

2^1372537 is an apocalyptic number.

It is an amenable number.

1372537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372537 is an equidigital number, since it uses as much as digits as its factorization.

1372537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4410, while the sum is 28.

The square root of 1372537 is about 1171.5532424948. The cubic root of 1372537 is about 111.1325689299.

The spelling of 1372537 in words is "one million, three hundred seventy-two thousand, five hundred thirty-seven".