611623002 has 16 divisors (see below), whose sum is σ = 1224562752. Its totient is φ = 203654880.

The previous prime is 611622941. The next prime is 611623003. The reversal of 611623002 is 200326116.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 611623002.

It is not an unprimeable number, because it can be changed into a prime (611623003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48774 + ... + 60017.

It is an arithmetic number, because the mean of its divisors is an integer number (76535172).

Almost surely, 2^611623002 is an apocalyptic number.

611623002 is an abundant number, since it is smaller than the sum of its proper divisors (612939750).

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

611623002 is a wasteful number, since it uses less digits than its factorization.

611623002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109733.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 611623002 is about 24731.0129594402. The cubic root of 611623002 is about 848.8441045000.

Adding to 611623002 its reverse (200326116), we get a palindrome (811949118).

The spelling of 611623002 in words is "six hundred eleven million, six hundred twenty-three thousand, two".