1537082397 has 12 divisors (see below), whose sum is σ = 2237713920. Its totient is φ = 1016652168.

The previous prime is 1537082383. The next prime is 1537082401. The reversal of 1537082397 is 7932807351.

It is a happy number.

1537082397 is a `hidden beast` number, since 1 + 537 + 0 + 8 + 23 + 97 = 666.

It is not a de Polignac number, because 1537082397 - 2¹⁹ = 1536558109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1537082347) 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, 671247 + ... + 673532.

It is an arithmetic number, because the mean of its divisors is an integer number (186476160).

Almost surely, 2^1537082397 is an apocalyptic number.

It is an amenable number.

1537082397 is a deficient number, since it is larger than the sum of its proper divisors (700631523).

1537082397 is a wasteful number, since it uses less digits than its factorization.

1537082397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344912 (or 1344909 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 1537082397 is about 39205.6424127956. The cubic root of 1537082397 is about 1154.0706145897.

The spelling of 1537082397 in words is "one billion, five hundred thirty-seven million, eighty-two thousand, three hundred ninety-seven".