3731521153 has 2 divisors, whose sum is σ = 3731521154. Its totient is φ = 3731521152.

The previous prime is 3731521111. The next prime is 3731521201. The reversal of 3731521153 is 3511251373.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3647193664 + 84327489 = 60392^2 + 9183^2 .

It is a cyclic number.

It is not a de Polignac number, because 3731521153 - 2²⁹ = 3194650241 is a prime.

It is not a weakly prime, because it can be changed into another prime (3731528153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1865760576 + 1865760577.

It is an arithmetic number, because the mean of its divisors is an integer number (1865760577).

Almost surely, 2^3731521153 is an apocalyptic number.

It is an amenable number.

3731521153 is a deficient number, since it is larger than the sum of its proper divisors (1).

3731521153 is an equidigital number, since it uses as much as digits as its factorization.

3731521153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9450, while the sum is 31.

The square root of 3731521153 is about 61086.1780847353. The cubic root of 3731521153 is about 1551.0601353776.

The spelling of 3731521153 in words is "three billion, seven hundred thirty-one million, five hundred twenty-one thousand, one hundred fifty-three".