245213532 has 36 divisors (see below), whose sum is σ = 623324520. Its totient is φ = 81279072.

The previous prime is 245213509. The next prime is 245213539. The reversal of 245213532 is 235312542.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 245213496 and 245213505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245213539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12583 + ... + 25470.

It is an arithmetic number, because the mean of its divisors is an integer number (17314570).

Almost surely, 2^245213532 is an apocalyptic number.

It is an amenable number.

245213532 is an abundant number, since it is smaller than the sum of its proper divisors (378110988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245213532 is a wasteful number, since it uses less digits than its factorization.

245213532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38242 (or 38237 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 245213532 is about 15659.2953864470. The cubic root of 245213532 is about 625.9142094085.

The spelling of 245213532 in words is "two hundred forty-five million, two hundred thirteen thousand, five hundred thirty-two".