1652690537 has 2 divisors, whose sum is σ = 1652690538. Its totient is φ = 1652690536.

The previous prime is 1652690531. The next prime is 1652690561. The reversal of 1652690537 is 7350962561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1649659456 + 3031081 = 40616^2 + 1741^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1652690537 is a prime.

It is a super-2 number, since 2×1652690537² = 5462772022178696738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1652690531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826345268 + 826345269.

It is an arithmetic number, because the mean of its divisors is an integer number (826345269).

Almost surely, 2^1652690537 is an apocalyptic number.

It is an amenable number.

1652690537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1652690537 is an equidigital number, since it uses as much as digits as its factorization.

1652690537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 1652690537 is about 40653.2967543839. The cubic root of 1652690537 is about 1182.3076876176.

The spelling of 1652690537 in words is "one billion, six hundred fifty-two million, six hundred ninety thousand, five hundred thirty-seven".