1025155413 has 16 divisors (see below), whose sum is σ = 1522901760. Its totient is φ = 681568128.

The previous prime is 1025155363. The next prime is 1025155421. The reversal of 1025155413 is 3145515201.

1025155413 is a `hidden beast` number, since 102 + 5 + 1 + 554 + 1 + 3 = 666.

1025155413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1025155413 - 2¹⁴ = 1025139029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025105413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41820 + ... + 61637.

It is an arithmetic number, because the mean of its divisors is an integer number (95181360).

Almost surely, 2^1025155413 is an apocalyptic number.

It is an amenable number.

1025155413 is a deficient number, since it is larger than the sum of its proper divisors (497746347).

1025155413 is a wasteful number, since it uses less digits than its factorization.

1025155413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103833 (or 103827 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1025155413 is about 32018.0482384545. The cubic root of 1025155413 is about 1008.3157935584.

It can be divided in two parts, 102 and 5155413, that added together give a palindrome (5155515).

The spelling of 1025155413 in words is "one billion, twenty-five million, one hundred fifty-five thousand, four hundred thirteen".