3235255001557 has 2 divisors, whose sum is σ = 3235255001558. Its totient is φ = 3235255001556.

The previous prime is 3235255001521. The next prime is 3235255001569. The reversal of 3235255001557 is 7551005525323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2731248717201 + 504006284356 = 1652649^2 + 709934^2 .

It is a cyclic number.

It is not a de Polignac number, because 3235255001557 - 2¹⁵ = 3235254968789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3235255001857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1617627500778 + 1617627500779.

It is an arithmetic number, because the mean of its divisors is an integer number (1617627500779).

Almost surely, 2^{3235255001557} is an apocalyptic number.

It is an amenable number.

3235255001557 is a deficient number, since it is larger than the sum of its proper divisors (1).

3235255001557 is an equidigital number, since it uses as much as digits as its factorization.

3235255001557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 787500, while the sum is 43.

The spelling of 3235255001557 in words is "three trillion, two hundred thirty-five billion, two hundred fifty-five million, one thousand, five hundred fifty-seven".