102425252 has 6 divisors (see below), whose sum is σ = 179244198. Its totient is φ = 51212624.

The previous prime is 102425251. The next prime is 102425291. The reversal of 102425252 is 252524201.

It can be written as a sum of positive squares in only one way, i.e., 89000356 + 13424896 = 9434^2 + 3664^2 .

It is not an unprimeable number, because it can be changed into a prime (102425251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12803153 + ... + 12803160.

It is an arithmetic number, because the mean of its divisors is an integer number (29874033).

Almost surely, 2^102425252 is an apocalyptic number.

It is an amenable number.

102425252 is a deficient number, since it is larger than the sum of its proper divisors (76818946).

102425252 is a wasteful number, since it uses less digits than its factorization.

102425252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25606317 (or 25606315 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 102425252 is about 10120.5361518054. The cubic root of 102425252 is about 467.8812918783.

Adding to 102425252 its reverse (252524201), we get a palindrome (354949453).

The spelling of 102425252 in words is "one hundred two million, four hundred twenty-five thousand, two hundred fifty-two".