1009656253 has 2 divisors, whose sum is σ = 1009656254. Its totient is φ = 1009656252.

The previous prime is 1009656247. The next prime is 1009656287. The reversal of 1009656253 is 3526569001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 742726009 + 266930244 = 27253^2 + 16338^2 .

It is a cyclic number.

It is not a de Polignac number, because 1009656253 - 2²⁵ = 976101821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1009656293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504828126 + 504828127.

It is an arithmetic number, because the mean of its divisors is an integer number (504828127).

Almost surely, 2^1009656253 is an apocalyptic number.

It is an amenable number.

1009656253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009656253 is an equidigital number, since it uses as much as digits as its factorization.

1009656253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 1009656253 is about 31775.0885600654. The cubic root of 1009656253 is about 1003.2084458657.

The spelling of 1009656253 in words is "one billion, nine million, six hundred fifty-six thousand, two hundred fifty-three".