1625037526213 has 2 divisors, whose sum is σ = 1625037526214. Its totient is φ = 1625037526212.

The previous prime is 1625037526163. The next prime is 1625037526309. The reversal of 1625037526213 is 3126257305261.

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., 889365935844 + 735671590369 = 943062^2 + 857713^2 .

It is a cyclic number.

It is not a de Polignac number, because 1625037526213 - 2¹³ = 1625037518021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1625037526213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1625037526313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812518763106 + 812518763107.

It is an arithmetic number, because the mean of its divisors is an integer number (812518763107).

Almost surely, 2^{1625037526213} is an apocalyptic number.

It is an amenable number.

1625037526213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1625037526213 is an equidigital number, since it uses as much as digits as its factorization.

1625037526213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 1625037526213 in words is "one trillion, six hundred twenty-five billion, thirty-seven million, five hundred twenty-six thousand, two hundred thirteen".