611540434 has 16 divisors (see below), whose sum is σ = 924760728. Its totient is φ = 303293952.

The previous prime is 611540407. The next prime is 611540459. The reversal of 611540434 is 434045116.

It can be written as a sum of positive squares in 4 ways, for example, as 605012409 + 6528025 = 24597^2 + 2555^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228834 + ... + 231490.

Almost surely, 2^611540434 is an apocalyptic number.

611540434 is a deficient number, since it is larger than the sum of its proper divisors (313220294).

611540434 is a wasteful number, since it uses less digits than its factorization.

611540434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 611540434 is about 24729.3435820687. The cubic root of 611540434 is about 848.8059053076.

The spelling of 611540434 in words is "six hundred eleven million, five hundred forty thousand, four hundred thirty-four".