2537972 has 6 divisors (see below), whose sum is σ = 4441458. Its totient is φ = 1268984.

The previous prime is 2537959. The next prime is 2537987. The reversal of 2537972 is 2797352.

It can be written as a sum of positive squares in only one way, i.e., 1752976 + 784996 = 1324^2 + 886^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317243 + ... + 317250.

It is an arithmetic number, because the mean of its divisors is an integer number (740243).

2^2537972 is an apocalyptic number.

It is an amenable number.

2537972 is a deficient number, since it is larger than the sum of its proper divisors (1903486).

2537972 is a wasteful number, since it uses less digits than its factorization.

2537972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634497 (or 634495 counting only the distinct ones).

The product of its digits is 26460, while the sum is 35.

The square root of 2537972 is about 1593.1013778162. The cubic root of 2537972 is about 136.4045766905.

The spelling of 2537972 in words is "two million, five hundred thirty-seven thousand, nine hundred seventy-two".