611645097 has 48 divisors (see below), whose sum is σ = 992256000. Its totient is φ = 333758880.

The previous prime is 611645053. The next prime is 611645101. The reversal of 611645097 is 790546116.

It is not a de Polignac number, because 611645097 - 2⁸ = 611644841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (611645297) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 359154 + ... + 360852.

It is an arithmetic number, because the mean of its divisors is an integer number (20672000).

Almost surely, 2^611645097 is an apocalyptic number.

It is an amenable number.

611645097 is a deficient number, since it is larger than the sum of its proper divisors (380610903).

611645097 is a wasteful number, since it uses less digits than its factorization.

611645097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826 (or 1819 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 611645097 is about 24731.4596617345. The cubic root of 611645097 is about 848.8543259297.

The spelling of 611645097 in words is "six hundred eleven million, six hundred forty-five thousand, ninety-seven".