102025445474531 has 2 divisors, whose sum is σ = 102025445474532. Its totient is φ = 102025445474530.

The previous prime is 102025445474461. The next prime is 102025445474581. The reversal of 102025445474531 is 135474544520201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102025445474531 is a prime.

It is a super-2 number, since 2×102025445474531² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102025445474581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51012722737265 + 51012722737266.

It is an arithmetic number, because the mean of its divisors is an integer number (51012722737266).

Almost surely, 2^{102025445474531} is an apocalyptic number.

102025445474531 is a deficient number, since it is larger than the sum of its proper divisors (1).

102025445474531 is an equidigital number, since it uses as much as digits as its factorization.

102025445474531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688000, while the sum is 47.

Adding to 102025445474531 its reverse (135474544520201), we get a palindrome (237499989994732).

The spelling of 102025445474531 in words is "one hundred two trillion, twenty-five billion, four hundred forty-five million, four hundred seventy-four thousand, five hundred thirty-one".