102013526 has 4 divisors (see below), whose sum is σ = 153020292. Its totient is φ = 51006762.

The previous prime is 102013523. The next prime is 102013553. The reversal of 102013526 is 625310201.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102013498 and 102013507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102013523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25503380 + ... + 25503383.

It is an arithmetic number, because the mean of its divisors is an integer number (38255073).

Almost surely, 2^102013526 is an apocalyptic number.

102013526 is a deficient number, since it is larger than the sum of its proper divisors (51006766).

102013526 is an equidigital number, since it uses as much as digits as its factorization.

102013526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51006765.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 102013526 is about 10100.1745529471. The cubic root of 102013526 is about 467.2535248372.

Adding to 102013526 its reverse (625310201), we get a palindrome (727323727).

The spelling of 102013526 in words is "one hundred two million, thirteen thousand, five hundred twenty-six".