205429492 has 6 divisors (see below), whose sum is σ = 359501618. Its totient is φ = 102714744.

The previous prime is 205429487. The next prime is 205429507. The reversal of 205429492 is 294924502.

It can be written as a sum of positive squares in only one way, i.e., 204947856 + 481636 = 14316^2 + 694^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25678683 + ... + 25678690.

Almost surely, 2^205429492 is an apocalyptic number.

It is an amenable number.

205429492 is a deficient number, since it is larger than the sum of its proper divisors (154072126).

205429492 is a wasteful number, since it uses less digits than its factorization.

205429492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51357377 (or 51357375 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 205429492 is about 14332.8117269432. The cubic root of 205429492 is about 590.0483461293.

The spelling of 205429492 in words is "two hundred five million, four hundred twenty-nine thousand, four hundred ninety-two".