1255235541 has 32 divisors (see below), whose sum is σ = 1968115968. Its totient is φ = 696668160.

The previous prime is 1255235537. The next prime is 1255235587. The reversal of 1255235541 is 1455325521.

It is not a de Polignac number, because 1255235541 - 2² = 1255235537 is a prime.

It is a super-3 number, since 3×1255235541³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255235521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197485 + ... + 203741.

It is an arithmetic number, because the mean of its divisors is an integer number (61503624).

Almost surely, 2^1255235541 is an apocalyptic number.

It is an amenable number.

1255235541 is a deficient number, since it is larger than the sum of its proper divisors (712880427).

1255235541 is a wasteful number, since it uses less digits than its factorization.

1255235541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6541.

The product of its digits is 30000, while the sum is 33.

The square root of 1255235541 is about 35429.3034224496. The cubic root of 1255235541 is about 1078.7192009761.

The spelling of 1255235541 in words is "one billion, two hundred fifty-five million, two hundred thirty-five thousand, five hundred forty-one".