253969000 has 32 divisors (see below), whose sum is σ = 594289800. Its totient is φ = 101587200.

The previous prime is 253968997. The next prime is 253969003. The reversal of 253969000 is 969352.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (253968997) and next prime (253969003).

It can be written as a sum of positive squares in 4 ways, for example, as 140801956 + 113167044 = 11866^2 + 10638^2 .

It is a super-2 number, since 2×253969000² = 129000505922000000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253969003) 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, 125985 + ... + 127984.

Almost surely, 2^253969000 is an apocalyptic number.

253969000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253969000 is an abundant number, since it is smaller than the sum of its proper divisors (340320800).

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

253969000 is a wasteful number, since it uses less digits than its factorization.

253969000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253990 (or 253976 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 253969000 is about 15936.4048643350. The cubic root of 253969000 is about 633.2767878110.

The spelling of 253969000 in words is "two hundred fifty-three million, nine hundred sixty-nine thousand".